Four friends want to take a vacation together, so each one gets a part-time job. Each person has 8 weeks to save $720 for the vacation. Analyze the four individual plans below and decide which of the four people will reach his or her goal of saving $720 for vacation. Friend A: Works 13 hours per week at $6.95 per hour.Friend B: Works 15 hours per week at $5.85 per hour.Friend C: Works 18 hours per week at $5.25 per hour.Friend D: Works 11 hours per week at $7.80 per hour.
Multiply each person’s weekly earnings by 8 weeks. Friend A saves 13 × $6.95 × 8 = $722.80, and Friend C saves 18 × $5.25 × 8 = $756. Both reach the $720 goal. Friends B and D save $702 and $686.40, respectively, so the correct choice is A and C.
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