11. a: b = 4:5 find
4a +36 ÷
3a+2b
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Step-by-step explanation:
a:b=4:5
a=4
b=5
=4a+36÷3a+2b
=4(4)+36÷3(4)+2(5)
=16+36÷12+10
=52÷22
=26/11
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