6) How many kg of copper which costs $2/kg must be added to 2 kg of tin which
costs $10/kg to make bronze which costs
$4/kg?

50=33x+22

step-by-step explanation:

i need the options

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

the first one

step-by-step explanation:

just id the test.