Susan is buying three different color of tiles for her kitchen floor. she is buying 16 less red tiles than beige tiles, and three times as many navy-blue tiles as beige tiles. if susan buys 324 tiles altogether, how many tiles of each color does she buy?

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

- (2, -7)

- lines r and s and lines t and u must be parallel