20 jumps because 45/20 is 2.5 and 8 x 2.5 is 20.
The truck now weighs 2130 kilograms. Hope this helps.
The answer is c y=3x-1 if you just plug in the numbers you can see if it is equal
The answer is 12.
The exact answer is 11.74734012..... this question is basically asking you to round the exact answer.