Step-by-step explanation:
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If in 2 years, your car is worth $15000, then x2 so then you’ll make it 4 years. $15000+$15000= $30000 but then you’ll have to know what the last year is so since in 2 year your car turned $15000 more then you divide it by 2 which is $7500. Then, you add $15000+$15000+$7500 which is $37,500.
Answer:8.16
Step-by-step explanation:
So find how much the racer needs to cover more
she covered 20 and needs to cover 75
75-20=55
she needs to cover 55 more
so 10 km per hour
10 times x hours=55 miles
divide both sides by 10
x hours=5.5
since you want whole hours, we round up so she at least gets there
6 hours is the answer
