Luis' father is four times as old as Luis. His grandfather is twenty years older than his father. The sum of their three ages is 110. How old is Luis father?

Shruthi has a total of ₹590 as currency notes in the denominations of ₹50, ₹20 and ₹10. The ratio of the number of ₹50 notes and ₹20 notes is 3:5. If she has a total of 25 notes, how many notes of each denomination she has?

Alinehasa y-intercept of 6 and a slope of 0. What is its equation in slope-intercept form?

What would be the verbal expression of "the quotient of 45 and r"?

What is the mean of the data set? 3 11 7 5 14 8 9 11 10

Anya is drawing a circle graph. She has one section left to label. What percentage must section y represent in her circle graph?

A square pyramid is shown. What is the surface area? A square based pyramid, with bases labeled 1.5 centimeters and side length of triangle labeled 3 centimeters.

758% as a decimal to the thousands place is ...

3 2/9 = ?/? what is 3 2/9 as a improper fraction

Nadal invests $5678 at an annual interest rate of 4.5% for 6 years. For which variable can nadal substitute the value 5678 in the simple interest formula?

4 divided by 630 equals?