25 ate only breakfast, 15 ate only lunch, 50 ate only dinner, 60 ate only lunch and breakfast, 225 ate only lunch and dinner, 50
0 ate only dinner and breakfast, 240 ate all three meals in the cafeteria.
. P(did not eat in the cafeteria) what is the possibility
1 answer:
Answer:so u asking how much was ate total?
Step-by-step explanation:
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Let n be the amount of 80% solution; and 150-n be the amount of 20% solution. Then:
.8n+.2(150-n)=.6(150)
.8n+30-.2n=90
.6n=60
n=100
150-n=50
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Step-by-step explanation:
There is no diagram, please update question.
Answer:
BC = 30.73
Here,

so first solve for QD




Now! <u>using Pythagoras theorem,</u>
- BC = 30.73 ( rounded to nearest hundredth )
Answer:
378+567-142÷5= 916.6
456(325-541)÷32= -3078
Step-by-step explanation: