Dylan is saving for a new computer and has saved $213. He is saving a $3 a day and needs no more than $654 for the computer he wants. How many days will it take him to save for the computer he wants?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.