Rashaad has a loyalty card good for a 10% discount at his local hardware store. What would his total in dollars and cents be, after the discount and before tax, if the total cost of all the items he wants to buy is 31.40? Round to the nearest cent.

الحلّ

الحلّ

Amount after discount : 28.26

خطوات الحلّ

Translate the problem into an equation:

x = 31.4 - 0.1 \cdot 31.4

x = 31.4 - 0.1 \cdot 31.4 : x = 28.26

Amount after discount : 28.26

أمثلة شائعة

The diameter of a circle is 10 ft. Find its area in terms of pipi.Use the three steps to solve the problem. One number is five more than another and their sum is three less than three times the smaller. Find the numbers. List the numbers in ascending order and separated by a comma.How much would you need to deposit in an account now in order to have 5000 in the account in 15 years? Assume the account earns 2% interest compounded monthly. Round to the nearest cent.17 take away a number 20 more than half a number equals 42.