It requires 5 hours for Mary to paint a building. If she and Jack work

together, they can paint the same building in 3 hours. Find the time, in

hours, it would take Jack to the building alone.

The student to faculty ratio is 17:3 the total of students is faculty 740

X/3 + 2y/3 = - 1 and x-y/3=9 solve. by elimination method

What number does these numbers decrease by - 2400, - 960 - 384? hint sub or divide

The reciprocal of 5 less than a number is 4 times the reciprocal of twice the number. find the number.

If 2 kilograms of strawberries cost $4.50, how much would 3 kilograms cost?

28,062 divided by 3

Using measures of central tendency: 5. Write and solve an equation to find the value of "x". 3.8, 4.2, 5.3, x; mean 112 7. Write and solve an equation to find the value of "x". 100, 121, 105, 113, 108, x; mean 112 9. Find the range.

Add. Question 4 3/8x^3 + 7/2x

Mina picks 63 flowers from her garden. She can put 10 flowers in each vase how many vases can she fill. how many extra flowers will she have?

Find the ratio a:b, if it is given that ... 5a+3b=6b