Sally and martha had the same number postcards. after sally sold 18 of her postcards, martha had 4 times as many postcards as sally. how many postcards did each girl have to begin with?

What is the next 3 terms in the following sequence, 5.5,6.7,7.9,9.1

3 equivalent fractions for 0.20

Find the area of the rectangle measuring 25 feet long by 8 feet wide. Show your work .

The length of one side of a triangular lot is 6 m less than 3 times the length of the second side. The third side is 8 m longer than the first side. The perimeter of the lot is 80 m. Find the length of all three sides.

Write a number that is 10 times larger than 0.8

10. The floor of a rectangular hall has a perimeter 250 m If the cost of painting the four walls at the rate of Rs 10 per m^2 is Rs 15000, find the height of the hall.

what is 6/21 simplified

What's a prime factor of 28

You eat 3/10 of a pack of hotdogs, your friend eats 1/5 of the pack of hotdogs. what fraction of the hotdogs did you and your friend eat?

Explain how to determine if the two expressions are equivalent using x = 6 and x = 2.