Question

Sergio's internet provider charges its customers 514 per month plus de per minute of online usage Sergio received a bit from the provider covering a 2-month period and was charped a total of 50 30 How many minutes de spend on-line during that period? (Round to the nearest whole minute, if necessary) A The number of minutes is 57 OB. The number of minutes is 407 C. The number of res is 707 The number of rointesis 570

Answer 1

Sol the total cost is craig) = 4x + 4% & cca h - 14x+0.ony. Here a-number of months, y no. of minutes Fren given data, since sengia's total bill was $ 50.80 Soi 50.80 - 148 to.ouy. since the bill is for a months, so 2=2 50.80 - 14(2) torony o.ou yo 50 - 80 - 28 0.044 22.8 y = 22.8 is- 1570 Sergio spend 570 minutes online during month Period. that 2 Answer, the number of minutes is 570