Christine made $143 for 11 hours of work. At the same rate, how many hours would she have to work to make $221?

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y