David decided to exercise more, so he started running for an hour each day which meant he ran seven hours a week. After eight weeks, how many hours did he run?

56 hours

Step-by-step explanation:

"David decided to exercise more, so he started running for an hour each day which meant he ran seven hours a week. After eight weeks, how many hours did he run?"

Lets get rid of the unimportant stuff first:

'"▇▇▇▇▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ he ran seven hours a week. After eight weeks, how many hours did he run?"

There are 8 weeks, for each week he ran for 7 hours, so we get the equation 7 x 8 from this sentence, 7 x 8 = 56 so in total he ran 56 hours.

answer: 1, 3 and 5 are correct

step-by-step explanation:

3.how is solving radical equations different than solving linear equations?

step-by-step explanation: