How do change 2/5 into a decimal

Captain buys a 100g bar of chocolate. He eats 3/5 of his bar. How many grams of chocolate are left?

Thomas, the drum major, can run across the football field in 1/3 the time that Carl, the tuba player, can. if the sum of the two boys' times is 4.8 minutes, how many minutes does it take Carl to cross the football field?

Tonya baked two dozen cupcakes for the party. She frosted three-quarters of them with chocolate icing, and she frosted the rest with vanilla icing. How many of the frosted cupcakes had vanilla icing?

Which lines are perpendicular to the line y - 1 = 1/3 (x+2) ? Check all that apply. A. y + 2 = - 3 (x-4) B. y - 5 = 3 (x+11) C. y = - 3x - 5/3 D. y = 1/3x - 2 E. 3x + y = 7

Use a calculator to convert the angle to a decimal in degrees 61 59'20"

5x 3/10 = Multiply. Write the product as a mixed number

What is the answer of: 730/850x100

The remainder of 4 divided by 55

Solve the following system of equations using the elimination method. 5x - 5y = 10 6x - 4y = 4

Round 4.051 to the nearest hundredth