Just multiply the with and the length by four (considering the scale factor is 4)
3x4=12 and 7x4=28
If she got 5/100 wrong she got 95%
95% is the same as 0.95
Answer: so you need to subtract your fractions
Step-by-step explanation: 7/8-5/6=1/24 or 0.042 as a decimal
how to do this is just simplify your answer. I suggest using mathhelper its an amazing app and can show you how to work out problems. I hope i have helped!