Ms. christen bought a package of pens. out of every 10 pens,6 are black. if there are 70 pens in the pack what fraction of the pens in the pack are black what percent of the pens are black

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15