Question

Alexis has $115 and he is earning $50 per week at his summer job. Eduardo has $130 and is earning $40 per week at his summer job. Which system of equations could be used to determine how many weeks they must work to earn the same amount?​

Answer 1

addition or multiplication

Answer 2

Explanation:

Alexis earned to equal Eduardo earned in how many weeks

Alexis earned 115 + 50w = Total w equals weeks

Eduardo earned 130 + 40w = Total w equals weeks

subtract equations -15 + 10w = 0

10w = 15

w = 1.5 weeks they both will have $190