Explain how you can tell four fifth is in simplest form

Abby wants to use her savings of $1325 to learn yoga. The total charges to learn yogaand called a fix registration fee of $35 and a monthly fee of $50. What is the maximum number of months for which Abby can learn yoga with her savings?

The cost of hiring a hall for a party can be worked out using this formula. Cost = £5.50 x number of people + £50 How much would it cost to hire the hall for 20 people?

Tim walked 2/5 a mile on Monday 6/7 mike on Tuesday and 2/3 mike on Wednesday How far did he walk in all

A new muscle relaxant is available. Researchers from the firm developing the relaxant have done studies that indicate that the time lapse between administration of the drug and beginning effects of the drug is normally distributed, with mean μ =

2,000 milliliters of soda, 2.5 liters of apple juice, 1,500 milliliters of fruit punch, 2 liters of lemonade Mandy wants to buy a variety of beverages for her birthday party.

If a number is a multiple of 64, then it is a multiple of 8. If a number is a multiple of 8, then it is a multiple of 2.

2.38+4.89=3 + _ changing expressions?

The tax rate is 7.5%. What is the tax on $110? round to the nearest hundreth.

Find the unit rate of 42 teaspoons for 6 cups

Ms. Corley wants to take her class on a trip to either the nature center or the zoo. The nature center charges $4 per student plus $95 for a 1-hour naturalist program. The zoo charges $9 per student plus $75 for a 1-hour guided tour.