Answer:
20000
Step-by-step explanation:
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Tea : 2 pints lemonade : 2 pints / Tea : 1 pint Lemonade : 3 pints
<span>Total mass contains 320g copper. How many parts of 16g copper are there of the total mass of 320g copper? 320/16 = 20. There are 20 portions of 16g copper.
(320/16) * 3 = 60g
There are 60g of zinc in the compound.</span>
What exactly do you need help with with this topic<span />
Two cheaper books = x
more expensive = 1.5x
so, 2.5x=150
150/2.5=x=60
therefore the more expensive book = 90