etherus1
Answered

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Noah solved three math problems. The first problem took him 1 minute. The second
problem took him 30% longer than the first problem, and the third problem took him 50% longer
than the second problem. How long did it take Noah to solve all three problems?

Sagot :

Answer:

255 seconds

Step-by-step explanation:

60 seconds x 1.30 = 78.78 seconds

78.78 seconds  x 1.5 = 117 seconds

117+78+60= 255 seconds

hope this helps ^D^

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