1.) 2x + y = 3 2.) x - 2y = -1 If equation 1 is multiplied by 2 and then the equations are added, the result is
1 answer:
3×2=6
6+(-1)=6-1=5
The answer is 5
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So 2:5 means that 5/7 animals are cats and 2/7 are dogs. I believe if you divide u will get your answer. 5/7 * 7/2 = 1.25x the number of dogs
2(z+10)
2z+20
Answer:
2z+20
The answer is 100 if that 5 and 2 is separate
Answer:
a. 
Step-by-step explanation:
<span>19.47 is 66% of 29.5.
hope this helps! :)</span>
