Answer:
36%
Step-by-step explanation:
line up $ and % data like this:
$2.79 represents 100%
$3.79 represents X%
cross multiply
X*2.79 = 3.79*100
divide both sides by 2.79
X= 3.79*100 / 2.79 ≈ 136%
so it increased 36%
Answer:
A
Step-by-step explanation:
The answer might be 258 but idk
Answer: The student's estimate is off by 12%
Answer:
54 can be divided into 45 and 9
Step-by-step explanation:
add 1+5=6
therefore 1/6*54=9
5/6*54=45
