First, change the fractions to a common denominator, which is 21.
so 3/7 * 3/3 = 9/21
1/3 * 7/7 = 7/21
Add the two together
9/21 + 7/21 = 16/21
Then take 21/21 - 16/21 = 5/21
There is 5/21 of the pizza left.
Answer:
7 cm
Step-by-step explanation:
it is a square so sqrt(49)=7, and the side lengths are 7
18 x
--- = ----
5 100
18×100 = 5×x
1800 = 5x
------- ----
5 5
360 = x
Hope this helps!!!
36,700, it stays the same
Answer:
$472.5
Step-by-step explanation:
10.5x
10.5 × 45= $472.5