Paul,colin, and brian are waiters .one night the restaurant earn£77.40 they share it to the ratio 2:3:4 . how much does brian get over paul ?
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Answer:
let the ratio be = x
2:3:4 = 2x+3x+4x
2x+3x+4x=77.40
9x = 77.40
x = 77.40 ÷ 9
x = 8.6
than multiply the ratio by value of x
x=8.6
2x=2×8.6=17.2
3x=3×8.6=25.8
4x=4×8.6=34.4
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