Answer:
80.0000*10^4
Step-by-step explanation:
First, how much were her songs? It's two songs each, and their separate prize was 0.99:
total prize was 2*0.99=1.98
this gets added to the membership prize:
19.99+1.98=21.97
you can also calculate this by rounding all the numbers (20+1+1) and substracting the amount you rounded (three times one cent) - the result would be the same.
Answer:
nba players are taller they all like 6’10
Step-by-step explanation:
Let:
• y, be the cost of the plan
,
• x, be the minutes spend on call
This way, we'll have:
Plan A:

Plan B:

If the two plans cost the same, we'll have that:

Solving for x :

A) The two plans will cost the same for 140 minutes on call
The cost will be:

B) $36.80