Problem

Eric works at the deli on weekends to earn extra money. He makes $$ 10$ per hour making sandwiches, and $$ 14$ per hour delivering orders. Eric puts half of his total earnings in a savings account for college. He wants to know how much he saves each week.
(1) Which expression represents the total amount of money Eric saves for working $s$ hours making sandwiches and $d$ hours delivering orders?
$\frac{1}{2} (10 s + 14 d)$
(1) This weekend, Eric makes sandwiches for 5 hours and delivers orders for 4 hours. How much money does he save?
Eric saves $$ 1$ this weekend.

Answer

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Answer

\frac{1}{2}(106)

Steps

Step 1 ：\frac{1}{2}(10(5)+14(4))

Step 2 ：\frac{1}{2}(50+56)

Step 3 ：\frac{1}{2}(106)

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