Answered

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Nick mowed about ⅗ of the school lawn yesterday. He mowed another ¼ of the lawn this morning. How much is left to mow?

Sagot :

Parrainidn

Answer: 3 / 20

Step-by-step explanation:

It is best to convert to decimals for such questions. It makes it faster.

Nick mowed 3/5 of the lawn yesterday. In decimals this is:

= 3/5

= 0.60

He then mowed another 1/4 this morning which is:

= 1/4

= 0.25

As these decimals must add up to one, subtract the above from 1 to find the proportion left:

= 1 - 0.6 - 0.25

= 0.15

Then convert back to fractions:

= 0.15 = 15/100

Lowest form would be gotten by dividing both the numerator and denominator by 5:

= 3 / 20

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