Peter sells 2/3 lb. of rice every 1/3 hour. How much rice does Peter sell in an hour? Please explain

Answers

Answer 1

Answer: For this you should set up a proportion.

2/3. 1/3
------ = --------
x. 3/3

Then cross multiply 3/3 x 2/3 and divide by 1/3

2/3 x 3/3 = 6/9

6/9 \ 1/3 = 6/9 x 3/1 = 18/1

Peter sells 18 bags of rice per hour.

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What numbers add up to 5 and multiply to 3?
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You take out a loan for $550 at a rate of 4.5% for 3 years. At the end of 3 years, how much interest has accumulated on the loan?

What is the sum of the complex numbers below? 4−7i and −3+5i a −i
b 1+2i
c 3
d 1−2i

Answers

Answer:

D. 1-2i is your answer.

Step-by-step explanation:

What you're doing is adding them together.

4 + -3 + -7i + 5i = 1-2i

D. 1-2i is your answer.

A family of 2 adults and 3 children goes to a play. Admission costs $8 per adult and $5 per child. What expression would show the total admission cost for the family?

Answers

the answer is $31 cause 5x3=15 and 8x2=16. add 15 and 16 together and then you get 31

A = 8
C= 5
2xA = 16
2x8 =16
3xC = 15
3x5=15
2a+c
16+15 = 31
Your answer would be 31 and it would be 2a+3c.

Victoria has $1.90 worth of nickels and dimes. She has 2 more nickels than dimes.Write a system of equations that could be used to determine the number of nickels
and the number of dimes that Victoria has. Define the variables that you use to write
the system.

Answers

Answer:

0.05n+0.10d=1.90

n=d+2

Step-by-step explanation:

One nickel is worth $0.05, so n nickels are worth 0.05n. One dime is worth $0.10, so dd dimes are worth 0.10d.The total 0.05n+0.10d equals $1.90:

0.05n+0.10d=1.90

Since there are 2 more nickels than dimes, there are more nickels, so if we add 2 to the number of dimes, we will get the number of nickels, meaning nn equals d+2.d+2.

n=d+2

Final answer:

From the problem, we create a system of equations that represent the value and quantity of nickels and dimes Victoria has. The system is: 0.05N + 0.10D = 1.90 and N = D + 2, where N represents nickels and D represents dimes.

Explanation:

The problem is about finding the number of nickels and dimes Victoria has. To do this, we will use a system of equations. We'll define N as the number of nickels and D as the number of dimes.

The first equation is based on the total value: since a nickel is worth $0.05 and a dime is worth $0.10, Victoria's coins add up to $1.90 - hence 0.05N + 0.10D = 1.90

The second equation is based on the quantity of coins: Victoria has 2 more nickels than dimes - hence N = D + 2.

Therefore, the system of equations is:

0.05N + 0.10D = 1.90
N = D + 2

Learn more about System of Equations here:

brainly.com/question/21620502

#SPJ11

PLEASE HELP I GIVE THANKS What is the measure of the complement of an angle that measures 21°?

A.
24°

B.
69°

C.
111°

D.
159°

Answers

90-21= 69 B A COMPLEMENTARY ANGLE IS 90

Answer:

c.111°

Step-by-step explanation:

Margaret is treating her best friend to a birthday dinner. Before ordering, Margaret wants to have an idea of the final bill. The order includes one appetizer for $6.50, two main courses for $15.75 each, two drinks for $2.25 each, and two desserts for $7.25 each. Round each amount up to the nearest whole dollar to find an overestimate of the total cost.