Solve the riddle below by writing and solving a system of equations to represent the two numbers being described. Twenty times the sum of two numbers is 9.
Four times the first is 2 less than fifteen times the second.

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

Which one is the correct answer, and why?

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2