The mean of 10 positive numbers is 16. when another number is added, the mean becomes 18. Find the number added

Claire buys lunch for 25 dollars and dessert for 10 dollars. Sales tax is 8%. How much does Claire actually have to pay?

An item was increased by 20% but then decreased by 25%. Calculate the percentage change and state if it was an increase or decrease.

There are 5 sodas, 3 grape sodas, 7 root beers, and 8 lemon lime sodas in a cooler. What is the probability of choosing a grape soda? Give your answer as a ration in its lowest terms.

A bag contains 13 cards numbered 1 through 13. A card is randomly chosen from the bag. What is the probability that the card has a multiple of 3 on it? Write answer as a fraction

4x minus 5=2 (2x plus 1)

Which word problem can best be represented by the fraction 5-8

The price of a car is usally £12,500 it is reduce to £11,625 what is the percentage of the reduction

An expression is shown as 3•3•3•3•3 answer for this and Part A: an equivalent form of the expression is given as, where a is constant. What is the value of a 3^a Part B:what is the simplified value of the given expression

A city is in the shape of a rectangle. in 1995 the width of the city was 5 miles and the length of the city was 7 miles. the width of the city is growing at a rate of 1 mile in 8 years.

Compare how you would model and record finding the sum and difference of two rocks weighing 2/8 pound and 3/8 pound.