1.an item is priced at $14.67. if the sales tax is 7%, what does the item cost including sales tax?
2.stephanie went shopping at a store where she had a 10% off coupon. if stephanie spent a total of $45.26 before her discount, which of the following is the closest to the amount that she will save on her purchase by using the coupon?
3.frank bought a game square for $43.20 during game world's semi-annual gaming blowout. if the original price of the game square is $180.00, which percent of discount below is closest to the percent of discount that frank received?
4.mrs. davidson rode 300 miles on a passenger train. it took her 5 hours to reach her destination. what was the average speed of her train?

1. Firstly, you've got to find 1% and multiply this by 7. You do this by dividing $14.67 by 100. 14.67/100= 0.1467. 0.1467x7= 1.0269 (1.03 rounded)
You then add these together, and this gives you $15.70

2. For this, you've got to add the percentage decrease (10/.01) to 1, and then multiply $45.26, and this gives you $49.786 (essentially $50 rounded)

3. You've got to divide the smaller number (43.20) by the larger number (180), and this gives you 0.24, and you've then got to multiply this by 100, giving you 24%. Therefore, he received a 76% discount.

4. The best thing to do here is to divide the larger number (300) by the smaller number (5), and this gives you 60, therefore, the average speed of the train is 60 miles per hour.

Hope this helps :)

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