Which answer shows a correct order to solve this story problem? Maurine had to pay $2.52 tax on her purchases. She bought 3 book
s for $12.99 each, 2 pens for $0.69 each, and a magazine for $2.99. How much did Maureen spend? A. Step 1: Add the price of a book and a pen. Step 2: Multiply by 3 and then by 2. Step 3: Add $2.99 to that result. Step 4: Add the tax to the total of the purchases. B. Step 1: Calculate the total price of the 2 pens. Step 2: Add $2.99 to that total. Step 3: Calculate the total price of the 3 books. Step 4: Add the tax to the price of the 3 books C. Step 1: Calculate the total price of the 3 books. Step 2: Calculate the total price of the 2 pens. Step 3: Add $2.99 to the total of the cost of the books and pens. Step 4: Add the tax to the total of the purchases. D. Step 1: Add $2.99 to the amount of the tax. Step 2: Calculate the total price of the 2 pens. Step 3: Calculate the total price of the 3 books. Step 4: Add the prices of the pens to the price of the books.
C is correct. 1. You do 12.99 times 3 2. $0.69 times 2 3. Add $2.99 to the two prices above 4. Add the $2.52 tax to the prices And you should get around $45 and some change
To solve this problem we can use simple proportion If 270$ -------------------------3000 pesos x $ ---------------------------100 pesos (x$ means that we dont know how much) Now we crossmultiplying to get proportion x*3000=270*100 Now we just to solve eq 3000x=27000 /:3000 x=27000:3000 x=9$ - its the result
