1. 350 is 70% of what number?
a) 500. b) 420. c) 245. d) 280
2.what percent of 64 is 24?
a) 267%. b) 62.5%. c) 40%. d) 37.5%
3.what percent of $6.50 is $2.60?
a) 25%. b) 40%. c) 90%. d) 250%

4.20% of 140 is what number? a) 280. b) 120. c) 28. d) 12