Write a story problem that could be solved using this number sentence 12+28+ =53

Manuela solved the equation below. what is the solution to manuela’s equation?

What is 74 round to the nearest ten

Its due 1. what is the product of 1/2-1/4? write your answer in standard form.a) show your work.b) is the product of 1/2x-1/4 and 5x^2-2x+6 equal to product of 1/4x-1/2 and 5x^2-2x+6? explain your answer.