Rewrite - 6 + - x with only two math symbols instead of three

Jesse finished the first race in two minutes and seven seconds. Tim finished 12 seconds faster than Jesse. Juan finish eight seconds faster then Tim. How long did it take Juan to finish.

If the total sum of the ages of william, scott, and jim is 80years, then what was the sum of their ages five years ago?

IN which number does the digit 5 have a greater value 0.05 or 0.005? How many times as great is the value? Explain how you know

What is 6 3/5 divided 2 1/4?

Rationalize the denominator of 5/√3+root 2

The music department orders 4 times as many Rock CDs as Jazz CDs. If the department orders 550. CDs, how many of CDs are rock?

After an earthquake in a city 15% were found missing, 25 % critically injured, 20 % suffered minor injury and 400 people had no injury how many people were there in the city

The period of a pendulum is the time the pendulum takes to swing back and forth one full time. The function I = 0.81t^2 relates the length l in feet of a pendulum to the time t in seconds that it takes to swing back and forth.

Count forward by hundreds 801,

Use the steps to determine the exact value of sin (-135) °. Identify the reference angle, θ. θ = °