Solve this equation involving decimals:

8.4 + 0.18x = 0.32x

what is the value for x?
x = 16.8
x = 42
x = 60
x = 117.6

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?