2. Erika wants to know the relative frequency

of participants who eat fast food 3 or more

times a week. Which ratio should she use to

calculate her percentage?

A. 102/167

B. 91/167

C. 91/102

D. 67/102

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!