Answer:
22 cards
Step-by-step explanation:
Set up a ratio.




Check: Add 22 to 39. 22+29=51
34/51 = 2/3
Have a great day
Answer: Rachel's prediction is faster than the actual unit rate, and Theadore's prediction is slower.
Answer:
Step-by-step explanation:
1/7+1/13=1/t
multiply both sides by 7*13*t
13t+7t=7*13
21t=91
t=91/19
it will take 4 hours and 8 minutes