In bmultiplying, you always have to move the decimal of the product the amount of place values the decimal has in each factor, for example, 1.50 times 1.50= 2.25, the factors together have 4 decimals, so you move the decimal 4 times to the right (try it, it gets rid of alot of zeros in the answer.)
Answer:
3x^2 + 7x - 18
Step-by-step explanation:
The train's rate 140 mph. 700 divided by 5 equals 140.
(2x-20)/3 = 2x start by multiplying both sides by 3
28 x 25 = $700
Answer: The class raises at least $700.
