Answer:
24 = no. of dozens of donuts
60 = no. of dozens of cookies
Step-by-step explanation:
The ratio of no. of dozens of donuts to no. of dozens of cookies is 2 to 5
Let 2x = no. of dozens of donuts
and 5x = no. of dozens of cookies
Then 2x + 5x = 84
7x = 84
x = 12
So, 2x = 2(12) = 24 = no. of dozens of donuts
and 5x = 5(12) = 60 = no. of dozens of cookies
Check: 24/60 = 2/5 and 24 + 60 = 84
Step-by-step explanation:
g(-2)=2(-2)^2 +7(-2) -4
=8 -14 -4
= -10.
j(20)= -5-4(20)
=-5-80
= -85
Answer:
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Step-by-step explanation:
Answer: 55%
Step-by-step explanation: 100%-45%=55%