Answer: QT= 10.5
Step-by-step explanation:
18.3-7.8
Answer:
37.5
Step-by-step explanation:
50+160=210.
210 is a 31.25% increase from 160
Multiply 120 by 1.3125 to get 157.5
subtract 120 from 157.5 to get a 37.5km increase or a 31.25% increase :)

(an improper fraction) can be simplified to

(a mixed number)
Answer:
Cara multiplied only 4 and 7 together and did not multiply 4 and 13.
Step-by-step explanation:
She didn't distribute the 4 to both numbers inside the parenthesis. If she had done so, she would have gotten 28 - 42, <em>not</em> 28 - 13.