The garibaldi family drove 400 miles in 7 hours what is the best estimate of the number of miles they drove in 1 hour

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.