Answer:
Step-by-step explanation:
84 is twice 42
Multiply the numerator and the denominator of 42/50 by 2:
42/50 = (42×2)/(50×2) = 84/100
Answer:



Step-by-step explanation:
1. Given, u = 20 , x = 4 , y = 7 , z = 10

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2. 
Multiplying or dividing a positive integer by any negative integer gives a negative integer
= - 8
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Hope I helped!
Best regards! :D
If Alan knows one already, there is 3 more left for him to possibly know
Answer:
22 minutes
Step-by-step explanation:
15-11.26=3.74
3.74 divided by .17 eqauls 22