## PLEASE HELP 1.A store increases the price of a sweater from $20 to $22. What is the percent of increase? 2.Kevin buys 4 folding chairs. Each chair costs $13.50. The sales tax is 6.5%. What is the amount of sales tax for Kevin’s purchases? 3.Harriet’s haircut costs $36. As a tip, she gives the hairdresser 15% of this amount. What is the total amount Harriet pays for her haircut, including tip? 4.At an appliance store, the price of a refrigerator is marked up 25% to $406.25. What was the price of the refrigerator before the markup? 5.Clea estimates that a glass contains 250 mL of water. The actual amount of water in the glass is 279 mL. To the nearest tenth of a percent, what is the percent error in Clea’s estimate? 6.The price of a wallet is $32.95 and the sales tax is 7.5%. What is the total cost of the wallet? 7.A car salesman had $65,100 in total monthly sales last month. He made $1,953 in commission from those sales. What is the salesman’s commission as a percent of his total monthly sales?

October 14, 2019// Blog//

Ok, the only way I can see this even working is kind of sketchy, but here goes:

Let’s say that each of these zeroes are an object. so here, we have **5** zeros. Each of them counts as **1** object.

120 has 3 numbers: 1, 2 and 0. Let’s say each of these numbers is their own respective quantity. So:

1 zero = 1 unit (1), 1 zero + 1 zero = 2 units (2), and for the last number, 1 zero – 1 zero = 0 units.

So we have used 5 zeroes and made the number 120.