Nora's leaf collection consisted of 150 leaves by August. By december , her collection had grown to 177 leaves. How much did her
collection increase between August and December?
9%
12%
15%
18%
1 answer:
Answer=18%
177/150=1.18
1.18=118%
118%-100%=18%
___________________________
another way to solve the equation...
150 177
_____=_____
100% x
Cross Multiply
150x=17700
divide both sides by 150
x=118%
118%-100%=18%
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