exam Maths Puzzle Numerical Ability

Joseph has 4 times as many quarters as he does dimes. If he has a total of $2.20, how many of each type of coin does he have?

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exam Other Question

11/2 time 3/7 time 4time 2/11 time 7/4= A clothing manufacturer has some pure silk thread and some thread that is 85% silk. How many kilograms of each must be woven together to make 75kg. of a blend that is 96% silk?