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Sauron [17]
3 years ago
8

Ken spent 1/5 of his allowance on a movie, 3/8 on snacks, and 2/7 on games. If his allowance was $20, how much did Ken have left

?
Mathematics
2 answers:
Wewaii [24]3 years ago
6 0
1/5 of 20 is $4. So, 20-4=$16 remaining.
3/8 of 16 is $7.50. So, 16-7.50= $8.50 remaining.
2/7 of 8.5 is $2.43. So, 8.50-2.43 is $6.07

Answer: Ken has $6.07 left after all his purchases.

podryga [215]3 years ago
4 0

Answer:

Ken is left with $2.79.

Step-by-step explanation:

We are given the following information in the question:

Ken allowance =  $20

Money spent on movies =

\displaystyle\frac{1}{5}\times 20 = \$4

Money spent n snacks =

\displaystyle\frac{3}{8}\times 20 = \$7.5

Money spent on games =

\displaystyle\frac{2}{7}\times 20 = \$5.71

Total money spent =

4 + 7.5 + 5.71 = \$17.21

Money left =

=\text{Allowance}-\text{ Total money spent}\\= 20 - 17.21\\=\$2.79

Ken is left with $2.79.

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