Answer:
228 butterflies
Step-by-step explanation:
X represents the moths
2x represents the butterflies
solution:
x + 2x = 342
3x = 342
x = 114
2x = 228
so therefore Alex have 228 butterflies
Answer:
n = -20
Step-by-step explanation:
-7 +
= -11
*multiply both sides by 5*
-35 + n = -55
*add 35 to each side*
n = -55 + 35
*calculate the sum*
n = -20
A polygon is a closed shape with straight sides example. Square, rectangle etc.
Answer is 10c^3
How?
Collect the like terms
(2 + 8)c^3
Just add the numbers
10c^3