Answer: There were 78 red apples at the party.
Step-by-step explanation:
This situation can be represented by the equation
x + 3x + 2(3x) = 130 where x is the number of green apples, 3x is the number of yellow apples and 2(3x) is the number of red apples.
Now solve for x
x +3x +2(3x) =130
4x + 6x = 130
10x = 130
x = 13
Now we know that x is 13 so put it into the expression for red apples and solve for the actual number of red apples.
2 * (3*13) = ?
2 * 39 = 78
Hi.. U should do like this
4/5 mile in 50 min
X mile in 60 min
X=5/4 mile
The answer is 7 meters.
Area is (pi)r^2
If we remove pi, we have 49=r^2
This means that r=7
A system of equation are a set or collection of equations altogether at once
