Door-to-door 65904

The door-to-door seller of domestic apples sold 40% of the apples in the first household, 20% of the rest in the second, and 24kg in the third. How many kilograms of apples did the seller sell to the first two households together?

Correct answer:

x =  26 kg

Step-by-step explanation:

q1=40%=10040=52=0.4 q2=20%=10020=51=0.2 c=24 kg  q1 m+q2 (mq1 m)+c=m 0.4 m+0.2 (m0.4 m)+24=m  0.48m=24  m=0.4824=50  m=50  a=q1 m=0.4 50=20 kg b=q2 (ma)=0.2 (5020)=6 kg  x=a+b=20+6=26 kg

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