Answer:
frazer = 8kg
tyler = 15kg
Step-by-step explanation:
let x be the weight of frazer
2x + 7kg = 23kg
2x = 16
x = 8
tyler's weight = 8+7 = 15
if tyler is 7kg
frazer is 23-7kg
so he is 16kg
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b
it would be tacos times 1.3 so $7.80
