Just a few math problems???

Question

can you help me with these please:

1) What percent of 126 is 22?

2) 17% of what is 156?

3) If you can buy 1 jar of beans for $1.67, how many can you buy with 10?

4)A guy is going to mexico. But he needs to convert his money. The exchange rate is 6 pesos for $2. How many pesos would he get for $6.50?

5) A guys coming back from mexico. He needs to convert his pesos back to dollars. How many dollars did he get if he exchanges 42.7 pesos at a rate of $5.30 = 11.1 pesos?

Thanks guys, but could you also show how you did it so I can understand it? ty

Answer 1

Do your own homework.

Answer 2

You'll be sorry if you don't learn how to do this stuff.

1) 22 = 126x

x = 17.46%

2) 156 (.17) = 26.52

3) 10/1.67 = 5.988, so you can only buy 5 full jars

4) 6/2 = x/6.5

39 = 2x

x = $19.50

5) x/42.7 = 5.3/11.1

11.1x = 226.31

x = $20.3883