Convert all the improper fractions into mixed numbers, then simplify. Then, you do the operations.
Answer:
nice
Step-by-step explanation:
Let w be the width of the deck. Then, using the total area, we get:
(9+2w)(18+2w)=400
4w²+54w-238=0
2w²+27w-119=0
(2w-7)(w+17)=0
w=-17 or 7/2
Using the positive value, we get a width of 3&1/2 ft. for the deck
☺☺☺☺
The second, 4th and 6th ones are the correct answers.
He read 9/3 more time on Saturday then Friday because 11/3-2/3=9/3
