The Least amount of money we need is 130
She already has 45
She needs "e" more
Therefore:
45 + e ≥ 130
Answer:
They are both due to the wave nature of light.
The answer is D. The height gets very small
Answer:
they purchased 40 tickets
Step-by-step explanation:
they already spent 10 to get in the fair and 0.25 × 40 = 10 so 10 +10 =20
3 (x + 7) = 5x - 2
3x + 21 = 5x - 2
3x - 5x = -2 - 21
-2x = -23
x = -23/-2
x = 23/2