Five times the number of test tubes in a school’s chemistry lab exceeds three times the number of beakers it has by 660. The sum of two times the number of test tubes and five times the number of beakers is 450.If b is the number of beakers and t is the number of test tubes, the system of linear equations representing this situation is .
The number of beakers in the school’s lab is , and the number of test tubes in the school’s lab is .

Answers

Answer 1

Answer: $\left\{\begin{array}{ccc}5t-3b=660&|multiply\ both\ sides\ by\ 2\n2t+5b=450&|multiply\ both\ sides\ by\ (-5)\end{array}\right\n\n\underline{+\left\{\begin{array}{ccc}10t-6b=1320\n-10t-25b=-2250\end{array}\right}\n.\ \ \ \ \ \ -31b=-930\ \ \ \ |divide\ both\ sides\ by\ (-31)\n.\ \ \ \ \ \ \ \ \ \ \ \boxed{b=30}\n\nsubtitute\ the\ value\ of\ b\ to\ the\ second\ equation:\n\n2t+5\cdot30=450\n2t+150=450\ \ \ \ |subtract\ 150\ from\ both\ sides\n2t=300\ \ \ \ \ |divide\ both\ sides\ by\ 2\n\boxed{t=150}$

Answer:
The number of beakers in the school’s lab is 30, and the number of test tubes in the school’s lab is 150.

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Answers

Answer:

The answer is "Hierarchy of authority (bureaucracy)".

Step-by-step explanation:

The organization's hierarchy of authority will be for the good of its company and the people. Its business develops with the power of a skilled manager, but managers seek management to developed its professions. The hierarchy is often a strategic honesty maintenance method.

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a manufacturer can produce 112 shirt per hour. if a work day is 8 hours, how many shirts can be produced in 3.5 days

Answers

There are 3,136 shirts produced in 3.5 days.

Given that,

A manufacturer can produce 112 shirts per hour.

And, the working hours in a day = 8

Now, the total number of working hours in 3.5 days is,

8 × 3.5

= 28 hours

Since A manufacturer can produce 112 shirts per hour.

Hence, the total number of shirts produced in 3.5 days is,

28 × 112

= 3,136

Therefore, it can be produced 3,136 shirts in 3.5 days.

Learn more about the multiplication visit:

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3136, You multiply 112 by eight (Shirts per hour) and multiply that by 3.5 (Three and a half days).

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Answers

Answer:

How much juice did each student get?"

40/20=2

each student received 2L of juice

Step-by-step explanation:

Each student got 1/2 a litre or 500 ml sa 20 divided by 40 equals half

Maura runs 5 miles in 1.25 hours. Ava runs 3 miles in 50 minutes (about 0.83hours), who runs faster? Justify your answer with a unit rate.

Answers

Answer:

Avas unit rate is for a mile 16.6666666667 minutes. while Mauras is 15 mins

Step-by-step explanation:

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Answers

Answer:

112%.

Step-by-step explanation:

To write 56/50 as a percentage, you can follow these steps:

1. Divide the numerator (top number) by the denominator (bottom number): 56 ÷ 50 = 1.12.

2. Multiply the result by 100 to convert it to a percentage: 1.12 × 100 = 112%.

Therefore, 56/50 can be written as 112%. This means that the fraction 56/50 is equivalent to 112 out of 100, or 112%.

Example:

Let's say you have 56 apples and you want to express it as a percentage of a total of 50 apples. To find out what percentage 56 apples is out of 50, you can use the fraction 56/50. By following the steps above, you find that it is equal to 112%. This means that 56 apples represents 112% of the total of 50 apples.

Which is an inccorect rounding of 53.864

Answers

52 is an incorrect rounding of 53.864 because you must round up, but in the incorrect one you would round down. Have a magical day!

60.800 that is an incorrect rounding of 53.864

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