All together the hats cost $75.12.the second hat costs twice as much as the first hat. round to the nearest hundredth
2 answers:
Lets say x is a first hat's cost and b is second hat's cost
a+b=75.12$
b=2a
a+2a=75.12
3a=75.12
a=75.12/3=25.04 $
Okay, so you would just multiply by 2, then round. You get $150.24.
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