Answer:
3.4-1.85 = 1.55 3.4+1.55=4.95
Step-by-step explanation:
It shows a change in growth, and has a percentage rate that is positive, I .
#To make a fraction into percentage, the easy way is to times the fraction with 100
9/10 × 100 = 90
#and so, the percentage of 9/10 is 90%