Cindy needs to buy 8 packs of invitations.
Answer:
60
Step-by-step explanation:
We have to find least common denominator for these fractions or we just have to find the least common multiple for 15, 6 and 4
In order to find the least common multiple, we have to represent these numbers as factors of prime numbers:
15 = 3 * 5
6 = 2 * 3
4 = 2 * 2
Least common multiples will be common factors (considering that there are no more than of them in other numbers) and the uncommon factors. Then, we can write that:
2 * 2 * 3 * 5 = 60 (there are two 2's, one common 3 and an uncommon 5)
The denominator will be 60 for the least common multiples.
Answer:
2,500 pages
Step-by-step explanation:
Let
y -----> the overall cost
x -----> the number of pages
we know that
HP printer
------> equation A
Samsung printer
-----> equation B
Solve the system by substitution
Substitute equation B in equation A
Solve for x
Answer:
A random sample of 10% of all taxplayers
Step-by-step explanation:
Smaller sample sizes may not be representive of the population
1) y=53
2)53
21 is 2 thirds of 32 so you add them together and get 53. Also Y=Cost of last years trip which we determined is $53