Asked by Anonymous

John buys a certain number of toy cars and three times as many toy lorries. He pays R30 for each car and R42 for each lorry. He spent R1 092 in total
Calculate how many toys he bought altogether
Answered by oobleck
John bought x cars and 3x lorries
so, adding up the total cost,
30x + 42*3x = 1092
Now just find x, and thus get the total # of toys.
Answered by henry2,
X cars.
3x lorries..

30*x + 42*3x = 1092.
X =
3x =

x + 3x = total cars.
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