Answers>Maths>GCSE>Article

Dominik hires a satellite phone. His total hire charge is £860. For how many weeks did he hire the phone? (Total hire charge = No. of week X 90 +50)

  1. Rearrange the formula so that it is equal to what the question is asking for (no. of weeks)What you have to do to one side you must do to the other!Total hire charge - 50 = No. of weeks X 90 (Total hire charge - 50) / 90 = No. of weeks 2. Enter the information given into the formula (total hire charge = 860)(860 -50) / 90 = No. of weeks 3. Calculate the answer810 /90 = No.of weeks 9 = No. of weeks Therefore the answer is 9 weeks.
GK

Related Maths GCSE answers

All answers ▸

Solve the equation: x^2+7x=-12

George A. avatarAnswered by George A.

Show that the lines A: y= 2x-5. and the line B: 2y-4x+3=0 are parallel.

Asha K. avatarAnswered by Asha K.

Where and why do we plot points on cumulative frequency graphs?

Osman O. avatarAnswered by Osman O.

Show that 6sin(60◦) + 5tan(60◦) can be written in the form √k where k is an integer.

Alistair G. avatarAnswered by Alistair G.