You didn't share the price list of the items... but together they have $12.00
Answer: 2((x+y)-21)
Calculation/Explanation:
Twice the sum of x and y decreased by 21 means that you must add x and y first before decreasing by 21. The last step is to double the whole equation that we just performed.
Answer:
52 miles per hour
Step-by-step explanation:
I think you're missing some info, so this is all I can help with right now
Answer:
Step-by-step explanation:
Starting time: 9:55 A.M. Elapsed time: 27 minutes