Question

Drew's weekly allowance is $8. His friend Jan's weekly allowance is $10. Drew spends $3 a week and Jan spends $4 a week.

Answer 1

For drew
5w=55

5w/5=55/5

W=11
11 weeks

For jan

6w= 55

6w/6 = 55/6

W=9.16
9 weeks

Together
6+5 = 11
11w=55
11w/11=55/11
W=5
5 weeks