In one week 128 cell phones were sold. the following week 37more cell phone were sold than the week before. how many cell phones were sold in those two weeks?

Solutions for 2x+7 less than or equal to 3x-5

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?