# maths word problem help!

A and B are two alloys of gold and copper,prepared by mixing metals in the ratio 7:2 and 7:11 respectively.if equal quantity of alloys are melted to form a third alloy C.find the ratio of gold and C
show working thanks
GOD bless

1. 👍 0
2. 👎 0
3. 👁 85
1. equal quanities?
then the final ratio is
14:13

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Physics

The density of copper is 9.8×10^3 and the density of gold is1.9×10^4. When the two wires of these two metals are held under the same tension the speed in the gold wire is found to be half of that of the copper. What is the ratio

asked by Frank on October 7, 2016
2. ### Physics

The density of copper is 9.8 kilograms per meter cube and the density of gold is 1.9 kilograms per meter cube. When two wires of these metals are held under the same tension, the wave speed in the gold is found to be half that in

asked by Samuel on October 8, 2016
3. ### math

points] Two alloys A1 and A2 are composed of two basic elements. The ratios of the compositions of the two basic elements in A1 and A2 are 5 : 3 and 1 : 2, respectively. A new alloy is formed by mixing the two alloys A1 and A2 in

asked by xyz on March 3, 2017
4. ### Chemistry

Suppose you have a supply of the following metals: Fe, Ni,Sc, Cr, Au, K. Which of there could be mixed to make substitutional alloys? Which metals are incompatible for this purpose. Clearly explain why there metals would be

asked by Lindsey on February 10, 2012
5. ### Math

The amounts by weight of gold, silver and lead in three alloys of these metals are in the ratio 1:5:3 in the first alloy, 2:3:4 in the second and 5:2:2 in the third. How many kg of the first alloy must be used to obtain 10kg of an

asked by Anne B. on July 27, 2015
6. ### college algebra

a chemist has two alloys one of which is 5% gold and 15% lead and the other of which is 25% gold and 30% lead how many grams of each of the two alloys should be used to make an alloy that contains 40g of gold and 93g of lead ?

asked by Anonymous on November 28, 2017
7. ### Chemistry

Why are the properties of alloys gnerally superior to their constituent components? In most cases, not all, mixing metals forms eutectics (sometimes called eutectic mixtures). These eutectic mixtures are the combination of the

asked by Bryan on November 29, 2006
8. ### chemistry

Archimedes used density along with mass and volume of alloys (mixtures) of gold and silver to determine the percent of gold (and also silver) in these alloys by simple, non-destructive measurements. Prove that the mass of gold in

asked by mitchell on September 26, 2011
9. ### Chemistry

The coinage metals -- copper, silver, and gold -- crystallize in a cubic closest packed structure. Use the density of gold (19.3 g/cm3) and its molar mass (197 g/mol) to calculate an approximate atomic radius for gold. Work So

asked by Caroline on February 3, 2015
10. ### Chemistry

Earth's oceans have an average depth of 3800 m, a total area of 3.63 108 km2, and an average concentration of dissolved gold of 5.8 10-9 g/L. (a) How many grams of gold are in the oceans? (b) How many cubic meters of gold are in

asked by Anonymous on August 25, 2013

More Similar Questions