In 1986, the cost of tuition at a certain private high school was $4580. By 1989, it had risen approximately 39%. What was t
he approximate cost in 1989?
2 answers:
The first cost = $ 4580
Percentage of increase = 4580 ×39/100
= 458 ×39/10
= 458 ×3.9 = 1786.2
now you will add them
4580 + 1786.2 = $6366.2
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