Mason used a 30% coupon to buy a new computer. After the discount, the cost of the computer was 728. Determine the original price of the computer. Calculate how much money mason saved by using the coupon.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.