Algebra Puzzle – Challenge 48

This is an interactive mathematical and logic puzzle prepared for anyone interested in school-level math and critical thinking.

Algebra Puzzle – Challenge 48

Challenge:

12 years ago Michael was X times as old as Ryan was. If Michael is now 27 years old, how old is Ryan now in terms of X?

A- \(\frac{x}{15}\)

B- \(15x\)

C- \(\frac{15}{x}-12\)

D- \(\frac{15}{x}+12\)

E- \(\frac{x}{15}+12\)

The Absolute Best Book to Challenge Your Smart Student!

Original price was: $16.99.Current price is: $11.99.
Satisfied 123 Students

The correct answer is D.

12 years ago Michael was 15 years old. At that time, he was X times as old as Ryan was. Plug is a value for X. Let’s say X is 3. Therefore, Ryan was 5 years old 12 years ago. Now, Ryan is 17.
Plug in 3 for X and check all 5 options:
A. \(\frac{15}{3} = 3\),
B. \(15 × 3 = 45\),
C. \(\frac{15}{3} – 12= -7\),
D. \(\frac{15}{3} + 12 = 17\)! Bingo
E. \(\frac{3}{15} + 12 = \frac{123}{15}\)

The Absolute Best Books to Ace Algebra

Original price was: $29.99.Current price is: $19.99.
Original price was: $29.99.Current price is: $14.99.
Original price was: $29.99.Current price is: $14.99.
Satisfied 1 Students
Original price was: $24.99.Current price is: $14.99.
Satisfied 92 Students
Original price was: $24.99.Current price is: $15.99.
Satisfied 125 Students

Related to This Article

What people say about "Algebra Puzzle – Challenge 48 - Effortless Math: We Help Students Learn to LOVE Mathematics"?

No one replied yet.

Leave a Reply

X
45% OFF

Limited time only!

Save Over 45%

Take It Now!

SAVE $40

It was $89.99 now it is $49.99

The Ultimate Algebra Bundle: From Pre-Algebra to Algebra II