New length = 30x110% = 33cm
new width = 20x105% = 21cm

original perimeter = 30x2 + 20x2
= 60 + 40 = 100
new perimeter = 33x2 + 21x2
= 66 + 42 = 108

increase in perimeter = 108-100 = 8
percentage increase = 8/100 x 100% = 8%

6 0

3 years ago

I need help with #1 & 2 asappp i’ll be giving brainliest!!!

Step2247 [10]

Answer:

1.90 2.6

Step-by-step explanation:

7 0

3 years ago

Frank paid $46 in tax on a laptop that cost $920. What percent sales tax did Frank pay?

Elena L [17]

Answer:

743627367867628718473867267462664772

Step-by-step explanation:

3 0

3 years ago