How am I suppose to do this?
2 answers:
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Answer:
18.75 minutes or 0.3 (3/10 or almost 1/3)
Step-by-step explanation:
Carlos spent hours doing math. If an hour is 60 minutes, this means he spent 60 minutes and 1/4 of 60 minutes which is 15 minutes. In total he spent 75 minutes on math.
We also know he spent 1/4 of that 75 minutes on multiplication facts. How long did he spend?
We will multiply by the two quantities to find the amount.
We will convert this back into hours by dividing it by 60 minutes since 60 minutes= 1 hour.
He spent 0.3 or 3/10 or about 1/3 of his time on multiplication facts.