The sum of two numbers is 12. the first number, x, is twice the second number, y. which system of equations could be used
to find the two numbers?
(x + y = 12
1x=2+1
x + y = 12
1 x = 2y
o s xy = 12
x=2+1
os xy = 12
lx=2v
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Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.