A science class has 7 girls and 3 boys in the seventh grade and 4 girls and 4 boys in the eighth grade. The teacher randomly sel
ects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls
1 answer:
Answer:
63% chance to pick both girls instead of boys
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Answer:
see steps
Step-by-step explanation:
New price was increase from 100% to 109% at £1800.
By proportionality,
old price / 100% = 1800 / 109%
Cross multiply to get
old price = $1800 * 100% / 109% = £1651.38
Answer
2 or 3
Step-by-step explanation:
Number 3 is 1:3 but I don't know what 4 is I can't see the whole problem
Answer:
4 over 15 is the answer ....
Step-by-step explanation:
cot < B = BC/AC = 7/24
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