2,700 / 12 = 225
225 / 5 = 45
They can make 45 necklaces.
Basic formula for the price elasticity of demand coefficient is on this webside:
http://www.economicsdiscussion.net/price-elasticity-of-demand/price-elasticity-of-demand-with-formula/25223
Answer:
x=17
Step-by-step explanation:
7x+10+3×=180
10x+10=180
-10. -10
10x/10=170/10
x=17
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