Answer:
this picture on my end its a little blury
you could write an equation or make a table.
You would multiply the amount by 1.70 for example increasing £50 by 70% would be £85
X = text message you send or receive
39.99 + 0.15x <span>≤ 45
0.15x </span><span>≤ 5.01
x </span><span>≤ 33
the maximum </span>text message you send or receive is 33
39.99 + 0.15(33) = 44.94
