Step-by-step explanation:
2 3 2
----- ÷ ----- - -----
7 4 7.
8 2
----- - -------
21 7
8×1-2×3
------------------
21
8-6
-------
21
2
-----
21
I think it will be helpful for you
Question 3. the answer is 18
4. the answer is 3x+3y
3:7 is the ratio 3 ham for every 7 pizzas
Answer: Yes, all three are relatively prime
Step-by-step explanation:
Two integers x and y are relatively prime if gcd(x,y)=1
So,
gcd(64, 729)=1
gcd( 27, 31)=1
gcd( 45, 56) =1.
Answer:
80%
Step-by-step explanation:
We know that Evelyn paid off $24 of the $30. To find the percentage, we divide the part by the whole and then multiply by 100. The multiplying by 100 is optional, but it just makes the calculation easier. In this case, the part is 24 and the whole is 30, so our expression would be , or 80%. Hope this helps!