A father is 4 times as old as his son. in 20 years the father will be twice as old as his son. find the present age of each.
2 answers:
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a. You have to find 45% of 1,200. To find percents, change the % to a decimal and multiply
45% = 0.45
0.45 × 1,200 = 540
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b. You have to find 15% of 56. To find percents, change the % to a decimal and multiply.
15% = 0.15
0.15 × 56 = 8.4
a. You have to find 45% of 1,200. To find percents, change the % to a decimal and multiply
45% = 0.45
0.45 × 1,200 = 540
_________________________________________________________
b. You have to find 15% of 56. To find percents, change the % to a decimal and multiply.
15% = 0.15
0.15 × 56 = 8.4