Answer:
His weight is 9/10 of what it used to be before.
Step-by-step explanation:
it will be 31,995 but we have to estimate yo the nearest cent so 10 cents
15/x=75/100
15/x=3/4
times 4x both sides
4*15=3x
60=3x
divide both sides by 3
20=x
K= 2
The square is doubled so the scale factor (k) is 2
2. 30
3. 105
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