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?

Select all pairs of numbers that have a least common multiple of 18. A. 2 and 6 B. 3 and 6 C. 2 and 9 D. 6 and 9

A new uniform costs $49.99. If it is on sale for 15% off, what is the cost before tax?

7,900 chairs per months if production lowered by 6% find the new number of chairs produced each month

What is 3/8 and 1/12 best estimate sum

There are 20 students in the cast and crew of the school play. any group of 7 or more of these students must contain at least 1 boy. what's more, any group of size 15 must contain at least 1 girl. how many boys are working on the play?

If a hat that costs $30 is discounted by 15%, what's the sale price?

Use the interactive spinner to model who among Elisondra and her three friends will order first. Then answer the questions. What is the theoretical probability of the spinner landing on Elisondra's section? Spin the spinner. Who orders first?

In a basket, there are six apples, seven bananas, three pineapples, and nine pomegranates. Janice randomly draws a fruit from the basket and then puts it back in.

If m^2 + n^2 = 18 and mn=7, what is (m-n) ^2

Add - 6.5b+11 and 3.3b-2