Answer:
B
Step-by-step explanation:
$5.20 is about $5.00, 21 is about 20, so $5.00 * 20 *4 = $400.
Checking this: $5.20 * 21 * 4 = $436.80
Answer:
c =4200+275s
Step-by-step explanation:
C is the total cost
4200 is how much to rent the trucks
275 is the price for each ton
s is how many tons of stone in being transported