# Posts by Natatlie

Total # Posts: 7

**Math**

A park district paid their director $19,500 in 1960. In 2000 that same park district paid their director $40,000. Determine the average rate of increase per year to the nearest tenth of a percent This is my answer 40,000-19,500=20,500/100=205% is this correct?

**Math**

Find the simple interest for the indicated length of time: $7,211 at 12% interest for 1.7 years A) $2336.36 B) $774.23 C) $1384.51 D) $1471.04

**Math**

A model airplane takes 2.7 hours to construct and 13.5 hours to finish. Determine the ratio of construction time to finish time in simplest form

**math**

A child's coin bank contains $2.58 in pennies and nickels. If the number of pennies is 36 less than 2 times the number of nickels, how many pennies are in the bank? A) 38 pennies B) 42 pennies C) 48 pennies D) 2 pennies

**Math**

I know that the answer is 25 but I don't know how to show my work, can anybody help me?

**Math**

Solve using long division 0.5 ÷ 0.02

**Math**

is the answer 14?

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