Zac invests $3500 at 8% p. a. simple interest for a period of time, to produce $210 interest. For how long did he invest the money? Please help me in the steps to finding the answer and also the solution. Thx

9 months

Step-by-step explanation:

simple interest ( I) is calculated as

I =

P is the principal, R the rate of interest and T the time in years

Here I = 210, P = 3500 and R = 8, thus

210 = = 35 × 8T = 280T ( divide both sides by 280 )

0.75 = T

Thus T = 0.75 years = 9 months

The money was invested for 9 months

9 months

Step-by-step explanation:

investment= 3500

interest rate= 8% PA simple

time= x years

Interest= $210

3/4 year= 3/4*12 month= 9 months

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step-by-step explanation:

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .