At Xcape Boardshop the price tag on the shirt says 12.58. Sales tax 7.5 of price. How much will you pay for the shirt
1 answer:
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Answer:
Step-by-step explanation:
Let
y --->Mala's age
x---> sister's age
we know that
---> equation A
so
The sum of ages of the sisters is
substitute equation A in the expression of the sum of ages
simplify