Answer:
Jack must Answer minimum 28 question correctly in order to get A in Science.
Step-by-step explanation:
Given:
Percentage required = 92%
Total Number of question = 30
We need to find the number of Question answer correctly.
Solution:
number of Question answer correctly be 'x'
So we can say that;
number of Question answer correctly divided by Total Number of question multiplied by 100 should be greater than or equal to percentage required.
framing in equation form we get;
Now Dividing both side by 
we get;
Hence Jack must Answer minimum 28 question correctly in order to get A in Science.
Answer:
1/12
Step-by-step explanation:
I got this question on one of my quizzes
WHC 1 WWBHC 1 <u>Explanation:</u> there are 12 samples and they asked us to
WHS 2 <u>WWBHS 2</u> pick 1 so it would be 1/12
(whole wheat bread, ham, swiss)
WHA 3 WWBHA 3
WTC 4 WWBTC 4
WTS 5 WWBTS 5
WTA 6 WWBTA 6
6
Ratio can be rate but rate can never be ratio. In essence, rate is comparison between ratios. While ratio is comparison between two or more numbers. Further, ratio on one hand, involves numbers either in amount, size, measurement, degrees, percentages or fractions with the absence of specific unit of measurement. On the contrary, rate is comparing quantities, amounts or unit of events happened expressed in a specific measurement or expressed under time. Take for instance, an example, Joe eats 2 while John eats 4 meals in a day. The ratio can be Joe: John, 2:4 meals. While the rate, is Joe eats 2 meals/day and John 4 meals/day.
Answer:
1,500
Step-by-step explanation:
All you have to do is 50 times 30, that's 1,500.
Rate 5 stars please, thanks.
6n-7=-8n-7
-7=-14n-7
-14=-14n
1=n
