So to find percent increase, you want to minus the difference in cost..
1.09- 0.87= .22...
now divide the difference by the original....
.22 ÷ .87 = .25287.....etc
now multiply that by 100...
.25287 × 100 = 25.287
now it says round to the nearest tenth so...
25.29% increase.
It’s not a statistical question
Each table is $6
Each chair costs $2.50
if correct please give<span> brainliest
Thankyou :)</span>
Answer:
Step-by-step explanation:
Yes
If they form 90 degrees, they are perpendicular