What are some useful ways of finding equivalent fractions and equivalent ratios

Jklm is a parallelogram find each measure

You have 960 grams of a radioactive kind of yttrium. How much will be left after 30 hours if its half-life is 10 hours?

The seventh root of x divided by eighth root of x

a watch is getting slow by 2 minutes for each hour in a day. if it shows 10 am now. what shall be the time after 12hours

Sixteen is divided by the sum of a number q and 1

34times1.22subtrace0.89

Find the quotient for 19,386 divided by 23

X plus y = 0 x - y plus 2 = 0

You work at a bridal shop. You need to find out how much satin you will need to make four bridesmaids' dresses and two flower girls' dresses. Each bridesmaid's dress requires 4.5 yards of satin, and each flower girls dresses requires 3.

A necklace is valued at £1200 It's value is expected to increase by 4.5% per year over the next 3 years. Calculate the expected value of the necklace after this time