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harina [27]
3 years ago
7

Whats the answer to this please

Mathematics
1 answer:
anastassius [24]3 years ago
3 0
Y = 3x
so
if x = 5 then y = 15
if x = 10 then y = 30

so a = 10 and b = 15

answer is B. second choice
a = 10 and b = 15
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