Answer:
20%
Step-by-step explanation:
let the percent be p
rewriting the expression:
p% of 170 is 34
or mathematically,
p% x 170 = 34
(p / 100) x 170 = 34 (divide both sides by 170)
p/100 = 34/170 (multiply both sides by 100)
p = (34 / 170) x 100
p = 20
hence 34 is 20% of 170
