Ascientist studied the effects of water on pea seeds. she gave one set of seeds
water once each day and the other received water twice a day. she counted the
number of seeds that sprouted each day for both groups.
what is the dependent variable?

9.9 years

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.

silty loam

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