Answer:
1, because you can subtract both equations to eliminate y , and you will be left with only x.
Step-by-step explanation:
Her calculation should look like
(8+18)x3^4
26x3^4
26x81
2106
her calculations on step 2 were incorrect because 3 to the 4th power is 81
9514 1404 393
Answer:
0.99779328
Step-by-step explanation:
The exact conversion factor is ...
1 mi = 1.609344
Then 62 miles is 62×1.609344 km = 99.779328 km.
The ratio of this to 100 km is ...
99.779328/100 = 0.99779328 . . . . ratio of 62 miles to 100 km
Yes, because $45 is 60% of $75. So with $80 she has more than enough for the bike.
I'm not sure what this is asking but I tried, I hope this helps...
18 weeks: $4.26 per class
36 weeks: $3.70 per class
You save $0.56 per class. So the answer be A) less than 1$