What equation equals 15 with at least fractions or decimals involved

A commuter has $245 in his commuter savings account. this account changes by - $15each week he buys a ticket. in one time period, the account changed by - $240. for how many weeks did the commuter buy tickets?

the height the height of each story of an apartment building is measured from the bottom of one floor to the bottom of the next four. Each story has a height of 18 ft. How tall is the building

A bag holds 5 red marbles, 7 green marbles, and 4 yellow marbles. If marbles are not returned to the bag after being drawn, what is the probability that the first marble will be red and the second marble will be yellow.

The cost of 24 pounds of cat food is $54. What is the cost per pound of cat food?

A bag contains 6 red marbles, 6 purple marbles, and 6 yellow marbles. What is the probability of randomly selecting a yellow marble from the bag? A) 1 / 12 B) 1 / 6 C) 1 / 3 D) 1 / 2

3 (x-4) - (x+5) = 2x-11

Jane is making a suit which requires 2 5/8 yards for the jacket and 1 3/4 yards for the skirt. What is the total amount of material she needs? A. 3 1/2 yards B. 3 2/3 yards C. 4 yards D.

Two more than a certain number is 15 less than twice the number

Mario walks his dog once every 8 days in the park, while todd walks his dog once every 14 days. today, both mario and todd walked their dogs in the park. in how many more days will both boys walk their dogs in the park on the same day?

the sum of three numbers is 81. the second number is twice the first, and the third number is six more than the second. find the number