if PLAN A is cheaper than PLAN B then,
P (A) < P (B)
30+0.01t < 20+0.05t (subtract 0.05t from both sides)
29.95-0.04t < 19.95 (subtract 29.95 from both sides)
-0.04t < -10 (divide both sides by -0.04)
t > 250
So plan A is cheaper than plan B when you send more than 250 texts.
Hope it helps.
Okay this is what i got it might be wrong but i did it and then looked it up to make sure i was right & it showed the same answer!!
3.55 * 1.6= 5.68!!
X(5x+9)
x appears in both terms, so you can take it out
Answer:
Reason 4. Division Property of Equality
Step-by-step explanation:
It should be Multiplication Property of Equality instead, which is:
If given a = b
then a × c = b × c