Answer:
10+11=21-16=5
Step-by-step explanation:
Answer:
$8.40
Step-by-step explanation:
We can write a proportion to find the total amount last year using the information given. A proportion is two equivalent ratios set equal to each other.

We will cross multiply the numerator of one ratio with denominator of the other. And then solve for y.
125(y)=100(10.50)
125y=1050
y=8.40
Answer:
27
Step-by-step explanation:
r = 9
s = 6
r^2
= r x r
= 9 x 9
= 81
13s
= 13 x 6
= 108
13s - r^2
= 108 - 81
= 27
Answer:
7.12 kilometers
Step-by-step explanation:
Add the amounts of kilometers to find the total :
3.8 kilometers + 3.32 kilometers = 7.12 kilometers