Amount of milk drunken: (4 children)(0.5 gall per week per child)
Multiply the result of the above calculation by ($2.89 / gallon):
4(0.5)($2.89) = $5.78 per week milk expenditure
Answer:

Step-by-step explanation:
Assuming We want to evaluate

When y=6 and z=3.
We substitute to get:

We multiply to get:

We simplify the denominator to get:

Reduce the first fraction:

Add the numerator and keep one denominator for they are like fractions

Write as a mixed number:

(totalPrice-discountedPrice)/totalPrice x 100
so that would be:
(380-300)/380 x100 = 21%
Answer:
4.14
Step-by-step explanation:
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