N + d = 20 (there are a total of 20 nickels and dimes).05n + .1d = 1.4 (total change equals $1.40)
Answer:
66yx , 30x2y, hope its right :)
Step-by-step explanation:
I THINK IT C
I REALLY TRIED
HOPE I HELPED
Answer:
Each number is being multiplied by 3.
Thr next 3 numbers would be, 486, 1,458, and 4,374
Given:
Number of times Jenna feeds her cat = 2
Cat food each time 
Number of days = 5
Number of cans she bought = 8
To find:
Did Jenna buy enough cat food.
Solution:
Required food for each time 
Jenna feeds her cat twice a day.
Required food for a day 

Required food for 5 days 


Since, 7.5 cans < 8 cans, therefore, Jenna buy enough cat food for her cat.