Marcus completed 187 jumping jacks in 3 days. He completed 60 jumping jacks on each of the first 2 days, and y number of jumping jacks on the third day. Which equation can be used to find y, the number of jumping jacks Marcus completed on the third day? A. y = 187 + (60 * 2) B. y = 187 - (60 * 2) C. y = 187 - (60 : 2) D. y = 187 + (60 : 2)

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Mathematics

27 February, 04:27

Marcus completed 187 jumping jacks in 3 days. He completed 60 jumping jacks on each of the first 2 days, and y number of jumping jacks on the third day. Which equation can be used to find y, the number of jumping jacks Marcus completed on the third day? A. y = 187 + (60 * 2) B. y = 187 - (60 * 2) C. y = 187 - (60 : 2) D. y = 187 + (60 : 2)

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Lindsay Chambers · Answer 1

187 jumping jacks in total

60 for each of the first 2 days

y=number of jumping jacks on day 3

187=y+2 (60)

187-2 (60) = y

Solution: B. y=187 - (60*2)