Question

Anna is going to play guitar in her school's annual concert. If she starts by practicing for one hour per day and increases the time by 30 minutes each day, how long will she practice on the seventh day?

Answer 1

Answer:

first day she practices = 1hr = 60min.

she increased 30min. per day

time she practices on seventh day

= 60 + 30*6

=60 + 180

= 240 min.

in hrs

240÷60

4 hrs