Answer:
No, the student's work is not correct.
Step-by-step explanation:
Given : Student expanded an expression, as shown.
To find : Is the student's work correct?
Solution :
The expansion of student is not correct.
Follow the below steps to get correct solution and student mistake,
Step 1 - Write the expression,
Step 2 - Apply distributive property,
Step 3 - Solve,
The student was mistaken in step 2 in solving the sign.
The way to multiply fractions include:
- The first step when multiplying fractions is simply to multiply the two numerators.
- The second step is to multiply the two denominators.
- Finally, simplify the new fractions
<h3>What are fractions?</h3>
It is important to note that fractions are part of whole numbers.
Fir example, to multiply 2/3 by 1/5 will be:
= 2/3 × 1/5
= 2/15
In conclusion, one has to multiply the numerator and them multiply the denominator.
Learn more about fractions on:
brainly.com/question/17220365
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Lcm of 60 and n = 420
Stated: n <90 and a multiple of 6
420/60 = 7 thus n must be a multiple of 7
Therefore n =42 or 84
Answer:
Sales tax is 8.33 % of new total
Step-by-step explanation:
Let
Your bill =1000
New total 60%=1000*60/100=600
5% sale tax on whole bill price =1000*5/100=50
To deduct 5% sale tax in 60% of new total the % are=50/600=0.0833*100=8.33%
So,
Sale tax is 8.33% of new total 60%.