Mr b earned money over the summer working at his family's store. he put
three-fourths of the money he earned in his savings account and spent half of the
rest. if he has $120 left over, how much did he earn?

Mr. B earned $960

Step-by-step explanation:

120 = 12.5% - How?

100% - 3/4 - 25%

25% ÷ 2 = 12.5%

120 x 2 = 240 (25%) (1/4)

240 x 4 = 960

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.