Myron and Jackie go out for dinner. The bill for their meal is $43.76 before tax. If the tax rate is 8.9%, how much will they pay in taxes?

How many $20 bills do you need to have to make $280

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

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?