a/b=3/4and8a+5b=22 then what is the number of a
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Answer:
a=1.5 b= 2.
Step-by-step explanation:
a / b = 3 / 4
4*a = 3*b
4a = 3b
b = (4/3)*a
8a + 5b =22
8a + 5(4a/3) = 22
8a + 20a/3 = 22
(8a*3 + 20a) = 22
24a +20a = 22*3
44a = 66
a = 66/44
a = 3/2
a=1.5
b= 4*1.5 /3
b= 2.
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