the ratio of the number of male lions to female lions is 21:20; if there are 123 lions, how many lions are female?

Answers

Answer 1

Answer: x - male lions
y - female lions

The ratio of the number of male lions to female lions is 21:20.
$(x)/(y)=(21)/(20) \n x=(21)/(20)y$

There are 123 lions.
$x+y=123 \nx=123-y$

Set both equations equal to each other:
$x=x \n(21)/(20)y=123-y \ \ \ |+y \n(21)/(20)y+y=123 \ \ \ |* 20 \n21y+20y=2460 \n41y=2460 \ \ \ |/ 41 \ny=60$

There are 60 female lions.

Answer 2

Answer:

Answer:

I'm answering so the other guy can get brainliest.

Step-by-step explanation:

Have a great day!

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A rope is 15 feet long. How many 3/5 foot pieces can you make?

Answers

Answer:

300 pieces

Step-by-step explanation:

15 x 12 = 180ft

180 / (3/5) = 300

Hey I really need help on this. Can someone please explain this question?Look at Jerry's monthly budget below. What percentage of Jerry's net income is spent on food?

Net Monthly Income: $2,970.00

Expenses:

Housing: $750.00

Utilities: $120.00

Food: $450.00

Transportation: $650.00

Healthcare expenses: $200.00

Savings: $300.00

Other expenses: $500.00

Total Monthly Expenses: $2,970.00

15.2%

25.3%

45%

60%

Answers

Answer: Approximately 15.2% of Jerry's net monthly income is spent on food.

Step-by-step explanation:

We are given that Jerry's Net Monthly Income is $2970.

Out of this, his expenses are on Housing, Utilities, Food, Transportation, Healthcare Expenses, Savings, and Other Expenses.

To find the percentage of income spent on food, we note that the food related expenditure is given to be $450.

So, to calculate the percentage, we use the formula

(\frac{450}{2970}).(100)

that is, we divide the expenditure on food by the net income and multiply this by 100 to get the percentage.

Calculating the above expression, it works out to be 15.15% or 15.2% when rounding off the decimal.

What is the equivalent expression for (24a+56b)

Answers

8(3a+7b)
the reason you would take the 8 out is because you can divide both 24 and 56 by 8 and get a clean answer:)

there are 3 lines of people waiting to enter a museum each line has 12 people 4 people decide to leave how many people remain in line

Answers

32. (12×3)-4=32. I really hope that helps.

There are 12*3 people waiting in all. 36. 36- 4= 32

PLEASE HELP ME WITH THIS QUESTION 1. Which value is equivalent to sin20∘?

Answers

The answer is cos70

the angles add up to 180, so 180 - 90 - 20 = 70 degrees.

Find the discount on $44 sweater that is on sale for 25 % off?

Answers

44 * 25% = 44 * 25/100

= 44 * 1/4

= 44 * 0.25

= 11

The discount on a $44 sweater that is on sale for 25% off is $11.

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