The youngs decided to give their children a weekly allowance that is directly proportional to a child's age their six year old daughter receives an allowance or 4.50 what is there 11 year old son's allowance each week

$8.25

Step-by-step explanation:

daughter's age determines that for each year the allowance increases by 0.75

Son's Allowance= 8.25

Step-by-step explanation:

The general equation is

Allowance = Age * a base amount.

So the six year old has givens

Allowance = 4.50

Age = 6

Base amount = x

4.50 = 6 * x         Divide by 6

4.50 / 6 = 6 x/6  Do the division

0.75 = x

So every year is worth 75 cents.

Eleven year Old

Allowance = ?? = y

Base amount = 0.75

age = 11

Allowance = Age * base Amount

y =11 * 0.75

y = 8.25

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