A metalworker has a metal alloy that is 20 % copper and another alloy that is 75 % copper. How many kilograms of each alloy should the metalworker combine to create 80 kg of a 53 % copper alloy?

How to convert 1 and 2/3 to a decimal

david has 425 at-bats and gets 200 hits. jimmy has 390 at-bats and gets 185 hits. who has a higher batting average.

each term of a sequence is 2 more than the previous term if the third term is eight, what are the first five terms of the sequence?

Simplify 8+3i over 4 - 3i

A student inscribes a triangle inside a circle. The triangle divides the circle into arcs with the following measures: 46°, 102°, and 212°. What are the measures of the angles of the triangle?

Write the Inverse, Converse and Contrapositive of this statement: "If it is snowing, then we will not have school." a) Inverse b) Converse c) Contrapositive

A 21 - pound turkey was cooked for a small banquet. The caterer figures they will discard 6 pounds of bone and that each person will eat 0.6 pounds of remaining turkey. How many people will the turkey serve

You decide to take your car on a drive through Canada, where gas is sold in liters and distances are measured in kilometers. Suppose your cars gas efficiency is 30.0mi/gal. How many liters of gas will you need to complete a 135 km trip.

Solve using elimination -4x + 2y = 10 2x - 2y = 2

How do you write 36.4 in word form