Answer: 3 hours
Step-by-step explanation: 120 miles divided by 40 miles per hour is 3, 3 = how many hours it'll take to get to the destination
Answer:
<h2>B. 3 people; 9 cups</h2>
Step-by-step explanation:
It is obvious that we are in a proportionality situation
12÷4=3
27÷3=9
3÷3=1
Answer:
C. 49 sq units
Step-by-step explanation:
Area of a triangle is
A = 1/2bh
base is 14 and height is 7
14 * 1/2 is 7
7*7 = 49
Well let’s say you put $100 in the bank. And they charge 10% interest. And 10% of $100 is 10. So it would be $10 interest.
She made her first mistake in step 2
-2x+5 =-11
add 5 to each side
-2x-5+5 = -11+5
-2x = -6 (not -16)
divide by -2
-2x/-2 = -6/-2
x = 3
She added 5 to 11 and got 16 and made it negative instead of subtracting 5 from 11 and making it negative
