Theo starts with savings of £18. James starts with no savings. Each week from now,
Theo will save £4.50 and James will save £4
In how many weeks will Theo and James have savings in the ratio 15:8 ?
(Simple way to work it out please)

6 weeks

Step-by-step explanation:

Theo savings = 18 + 4.50x

James = 4x

where x = number of weeks

Theo : James =  15 : 8

18 + 4.50x : 4x =  15 : 8

(18 + 4.50x ) / 4x =  15 / 8

Cross multiply;

8 (18 + 4.50x) = 15 (4x)

144 + 36x = 60x

60x - 36x = 144

24x = 144

x = 144 / 24 = 6 weeks

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step-by-step explanation:

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.