Question

How many more mins must he practice on the weekend to meet his goal???

Answer 1

He must practice for 42 more minutes.

Explanation:

70% of 140 is 98

140-98 is 42

Meaning he must practice his instrument for 42 more minutes on the weekend.

Answer 2

98+2.3 repeated

Explanation:

70 divided by 30= 2.3 repeated