Question

Survey of reading habit of 130 students show that 30 read English and Math, 10 read neither English nor mathematics and twice as many students read English as math. A. How many students read Math. B. How many students read English. C. How many students read Math or English only
If x students read math, then
x + 2x - 30 = 130-10
x = 50
so now finish it off; post your work if you get stuck.

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