Distributive property is basiclly simplifing
12 - 7 is 5. you can count down 7 times from 12 like: 12, 11, 10, 9, 8, 7, 6, 5.
A) 70 pools in total
B) 5:2
Let's make the length L and the width w. So, here's what we know:
L = 2w + 10
Lw = 1500
Substitute L in as 2w + 10:
w(2w + 10) = 1500.
Simplify.
2w squared +10w = 1500
Make it a quadratic equation, w = 25 or -30. Since it can't be negative, w = 25.
1500/25 = 60.
Length = 60
Width = 25
A perfect square is in the form x^2
We can find the perfect square by taking the square root of each number. The number that reduces to a whole number when the square root is taken is your answer.
sqrt(100) = 10 so B. 100 is your answer.