convert 21/40 to a percent

254 divided by 8 with remander no decimal long division

Gavin divided has notebook into 8 equal parts. He plans to use 3 parts to take notes for math and 2 part's for reading. He has school from 8:30am to 3:30 pm What fraction of his notebook does he have left?

A pizza has 3/4 slices of pepperoni, 5/8 slices of bell peppers, and 4/16 mushrooms each slice has at least one topping. How many slices have all 3 toppings?

I am working on a two step equation -6=n/2-10

A statistics teacher wants to break his class of 28 students into four groups of seven In how many ways can he do so? Suppose each group needs a leader and a recorder. Assume all leaders and recorders are chosen first. How many ways are there now?

Suppose you first randomly sample one card from a deck of 52. Then, without putting the card back in the deck you sample a second and then (again without replacing cards) a third.

What is the standard form equation of the line shown below? Graph of a line going through negative 2, 3 and 1, negative 3 1. y + 3 = - 2 (x - 1) 2. y = - 2x - 1 3. 2x + y = - 1 4. - 2x - y = 1

a plumber laying 500 meters of drain pipe required 20 men of working for 10 days. What length in meters would be laid by 50 men in 5 days, if they all work at the same rate?

Rob borrowed $1000 from his friend and paid him back $1050 in six months. what simple annual interest did Rob pay his friends

Write a problem that has two part ... then solve it by finding the whole