The city police are trailing the movements of a suspect through the GPS tracker on his phone. The suspect's apartment is represe
nted by A in the image. In the last couple of hours, the suspect has visited locations B, C, and D. What is the area of the space he walked around?
1 answer:
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Answer:
60 grams
Step-by-step explanation:
For these type of questions, we can equate the ratio with the actual amounts. We will let the quantity to find be an unknown variable, such as x. Then we equate the ratios, cross multiply, and use algebra to solve.
Let grams of zinc be "x", so we can write the ratios and actual amounts as:
Then we cross multiply and solve for x, what we want to find out. Shown below:
There are 60 grams of zinc.