Mr. T weighs three times as much as his dog, x. When you add the weight of Mr. T to the weight of x, you get 240 pounds. What does x weigh? What does T weigh?

Step-by-step explanation:

So if we take 60 as the weight of x then

Mr T weighs = 60 x 3 = 180

T + x = 240

180 + 60 = 240

60 pounds

180 pounds

Step-by-step explanation:

3x+x= 240

4x=240

x= 240/4

x= 60 pounds

T= 3*60= 180 pounds

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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