George sold 18, 22, 26, 12, 25, 20, and 19 cars per month over the past seven months. he followed the steps below to determine the number of cars he needs to sell in the next month to have a mean number of sales per month of 24.

The number of cars he needs to sell in the next month to have a mean number of sales per month of 24 is:

                                           50

Step-by-step explanation:

We are given the data for the number of cars sold for past seven months as:

18, 22, 26, 12, 25, 20, and 19 cars

Now we are asked to find the number of cars sold in the eighth month so that the mean of cars sold is: 24

So, let 'x' be the number of cars sold in the 8th month.

Hence, we have:

Hence, the number of cars that need to be sold in the 8th month is:

              50

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.

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step-by-step explanation: