<span>multiply equation by 36 to get rid of the denominators
36* - 36* = 36(6)
Cancel the denominators
9d - 8d = 216
d = 216 mi to his house
:
:
See if that checks out, find the actual speeds
216/4 = 54 mph
216/4.5= 48 mph
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Convert from Oz and Lbs.
1 Pound = 453.59237 Grams
1 Ounce = 28.3495231 Grams
3628.73896 for Lbs
141.7476155 for Oz
Add them, and you get:
3770.4865755
I didn't know if you needed rounding - it was classified as college.
Hope this helped, and have a good day!
Answer:
C. 560
Step-by-step explanation:
50% is one half, so there is another half of 280. 280*2=560
The answer is A,) (-2,-5) because I just did it in my CASIO calculator