Simona's music book includes 50 piano tunes, of which 7 are by Bach, and 18 are by Mozart. If Simona chooses a tune at random, what is the probability that it is either by Bach or by Mozart?

Henrietta buys 25 notebooks and 5 packs of pencils for her students. She also buys packs of pens. In total, Henrietta buys 34 items If notebooks, packs of pencils, and packs of pens are the only items that Henrietta purchases, how many packs of pens

4x (4+3) = 5 (2x+5) what is the value of x. write answer as a fraction

If 1 Japanese yen equals 0.0079 euros then 1 euro equals approximately how many Japanese yen?

How many new and returning female student will be on each practice team?

Tickets for a cinema cost £a for adults and £c for children. 2 adults and 3 children cost £42.70. 3 adults and 5 children cost £67.30. How much does it cost for 1 adult and 1 child?

The sun of 3 times a number and 5 is 2 times the number plus 15. what is half the number

Let be an exponential function such that (3) / (2) = 4. Determine the value of the following ratios. (9) / (8) = ? (7) / (5) = ? (33) / (30) = ? (111) / (110) = ?

For a beverage, Lisa mixes cups of lemonade to cups of iced tea in a ratio of 1:4. Which of the following best describes the amount of lemonade to iced tea?

Can you create 2 dividing decimal questions where the answer would be 14?

Write the verbal sentence as an equation. Then solve the equation. 1.) negative sixteen plus the quotient of a number and 2 is 35. 2.) Thirty-nine minus a number is - 19