Question

a phone call cost $1.25 for the first minute $0.10 for each additional minutes.A 10 minutes phone call cost

Answer 1

For the first minute the cost is $1.25 and for the remaining 9 minutes it is $0.10


Cost for 10 minutes phone call
=$1.25 +9x$0.10
=$1.25+$0.90
=$2.15.