The area of the house is the amount of space on the house.
- The length of the addition is x + 20
- The area of the original house is

<h3>The length of the addition</h3>
The area of the addition is given as:

Expand

Factorize

Factor out x + 20

The width of the addition is x - 10.
Hence, the length of the addition is x + 20
<h3>The area of the original house</h3>
The dimension of the original house is
x + 20 by x + 10
So, the area is:

Expand

This gives

Hence, the area of the original house is 
Read more about areas at:
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Answer:
B
Step-by-step explanation:
That's the biggest number
It’s %25 off think about it 40-10=30 and that’s %25 of it hope I help you have a good day
Answer:
Lola was in lead for
of a mile.
Step-by-step explanation:
We have been given that Lola and Brandon had a running race. They ran 3/10 of a mile. Lola was in the lead for 4/5 of the distance.
To find the fraction of a mile for which Lola was in the lead, we need to find 4/5 of 3/10 as:




Therefore, Lola was in lead for
of a mile.
Answer:
23.3333333333...
Step-by-step explanation:
10 x 7 = 70
70/3 = 23.333333333...