How do is solve 9/8x+7/6x

Joanna made $104.50 for working 11 hours this week. How much money will she make if she works 15 hours?

By what percent will the product of two numbers decrease if one of them is decreased by 25% and the other one is decreased by 50%?

The ages in years of three brothers are consecutive. The sum of their ages is 39 decreased by the age of the youngest. What are their ages?

What is a solution to (x-2) (x+10) = 13? a: x=3 b: x=8 c: x=10 d: x=11

Mr. Rainer's car uses about 1.6 fluid ounces of gas per minute when the engine is idling. One night, he parked his car but forgot to turn off the motor. He had just filled his tank. His tank holds 12 gallons.

If x = - 21, what is y?

1. 1 1/3 x ¼ 2. 2/9 : 2/5 3. 1 ¾ : (-2 5/8) 4. 2/9 : z/3

4 (x 2) - 17=35 what is the anwser

In the pair of equations bx-6y=18 and 2x-3y=9, b is a constant. The system of two equations has infinitely many solutions. What is the value of b

Lilly and Maggie decorated their windows with twinkle lights. Maggie used 51 more twinkle lights than Lilly. Fill in the box with the expression that represents the amount of twinkle lights Maggie used.