Question

Solve: 30% of 300 + x% of 50 = 60% of 400,​

Answer 1

Answer:

30/100*300+x/100*50=60/100*400

90+2x=240

2x=240-90

2x=150

x=75

Answer 2

Answer:

300

Step-by-step explanation:

30%of 300=90
x%of 50=x/2
60%of 400=240
So,
90+x/2=240
x/2=240-90
x/2=150
take 2 to the opposite side
x=150*2
X=300
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