Math

posted by .

This task is about choosing a new washing machine.

Your washing machine is broken. You need a new one. The new washing machine must hold at least as much as the old one and spin at least as fast as the old one.

You used your old washing machine three times a week.

Details of your old washing machine : Washes up to 6kg at a time
Spin speed - 1200

New washing machines for sale (with 5 year guarantee

Washing Machine
Aqua - £299 - 5.5kg - 1200 - unit of electricity for each wash: 0.9
Litres of water used for each wash: 42

Bubble - £399 - 6kg - 1600 - 1.2 - 45

Eco - £259 - 6kg - 1000 - 0.9 - 44

Optus - £329 - 7kg - 1400 - 1.3 - 50

Swirl - £329 - 6kg - 1100 - 1.1 - 49

Costs to use a washing machine
Electricity costs - £0.12 per unit
Water costs - £0.003 per litre

  • Math -

    i don't know pal

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. college

    You are replacing an old piece of machinery with a new one that offers improved technology and efficiencies to your company. The new machine will cost you $50,000 and it will provide you with a cash inflow of $10,500 PER YEAR for the …
  2. English

    Can you check if my instructions on how to do the washing and the washing-up are correct?
  3. Statistics

    The production process of computer parts uses two machines one old & one new. If the old machine is used the probability that the defected part is produced is .13 if the new machine is used the probability that the defective part is …
  4. English

    How do you call the washing podwer for the washing machine?
  5. Algebra 1

    The marketing director of a department store interviewed 50 customers who had bought appliances the previous week. They found that 20% of the customers bought a washing machine and 40% bought a dishwasher. Also 48% of the customers …
  6. math

    Q. At soap and suds there are 16 washing machines in a single row with no spa e between each one. Each washing machine is 2 feet 5 in inches across. What is the total length of the 16 washing machines. A. Do I divide 16 with 2,than …
  7. English

    1. We can reuse the water after we rinse the rice. 2. We can reuse the water after we rinse rice. (Do we have to sue 'the' before 'rice'?
  8. Grade 5 math

    At soap and suds there are 16 washing machines in a single row with no space between each one.Each washing machine is 75cm across.Wht is the total length of the 16 washing machines in centimeters and meters?
  9. math

    At soap and suds there are 16 washing machines in a single row with no space between each one.Each washing machine is 75cm across.Wht is the total length of the 16 washing machines in centimeters and meters?
  10. Grade 5 math

    At soap and suds there are 16 washing machines in a single row with no space between each one.Each washing machine is 75cm across.Wht is the total length of the 16 washing machines in centimeters and meters?

More Similar Questions