But use this calculator called Photomath you can take a picture of the question and get an instant answer
4 x 7 is 28, and 8 x 7 is 56. You can use 4 x 7 to find 8 x 7 by multiplying that first and doubling that quotient.
Half of 56 is 28, therefore doubling that allows us to find the quotient of 8 x 7.
Answer:
He worked 22 hours.
Step-by-step explanation:
285+45= 330
330 is the amount he earned in the first place.
330/ 15(amount earned per hour)= 22
Hope it helped!!!l PLZ GIVE BRAINLIEST!!
