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

In a school 2/3 of the students study a language of those who study a language 2/5 study french

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.