Ur equations are :
C = 0.03t + 20...this is company A
C = 0.07t + 5....this is company B
now...for them to be equal...set them equal and solve for t
0.03t + 20 = .07t + 5
-5 + 20 = 0.07t - 0.03t
15 = 0.04t
15/0.04 = t
375 = t.......there would have to be 375 texts
Answer:
3x^3 + 3x^2 - 27x - 27
Step-by-step explanation:
Answer: 14, 48, 50
Step-by-step explanation:
14^2+48^2=50^2
516+497+501+528+476= 2518
2518/5= 503.6
round up to 504
-70, -100, +20
Step by step explanation: Follow the pattern.
