Answer:
351
Step-by-step explanation:
35% of 540 is 189
540-189=351
In 1 min the thing can pump 6 gallons of water
IT'S NO SOLUTION
ALTHOUGH I DON'T HAVE THE ANSWER BECAUSE I WAS DOING IT IN MY PHONE AND IT RESTART ITSELF SO I LOST IT BUT IF I FIND IT ILL TELL YA!
Step-by-step explanation:
all is new and the strode
64/3=x/1
easy, just divide
64/3=21 and 1/3 calls per hour