Cannot draw graphs on these posts.
b. 8 *.85 = ?
c. 8 * 1.20 = ?
d. compare 4.00/.85 to 4.00/1,20
long-distance calls from new york to harare are priced at 85 cents/min off peak and $1.20/min at peak times.
a_ draw, on the same axes conversion graphs for the two different rates.
b_ from your graph estimate the cost of an 8 minute call made off peak.
c_ estimate the cost of the same call made at peak rate.
d_ a call is to be made from a telephone box. if the caller has only $4 to spend, estimate how much more time he can talk for if he rings at off peak instead of at peak times
1 answer
1 answer