exam
Maths Puzzle
Numerical Ability
seven times the reciprocal of a number plus 2/3 is 3. Find the number
Read Solution (Total 1)
3
7/X+2/3=3
x=3
9 years ago
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exam Other Question
How many pounds of peanuts costing $2.00 a pound should be mixed with a 4 pounds of cashews costing $4.50 a pound to obtain a mixture costing $3.00 a pound?
simplify (2x^4+3x^3y^2+x^3y)+(x^2y)
i divided everything by the (x^2y) and i came up with 2x^2+3xy+x
but since it looks like an addition problem im not sure how to work it out