Answer:
256
Step-by-step explanation:
1st : 2nd = 8 : 7 -------- (1)
Number of 2nd year students = 224
Number of 1st year students = ?
From equ. 1,
1st : 2nd = 1st : 224 = 8 : 7
Therefore,
1st / 224 = 8 / 7
1st = 8 * 224 / 7
Therefore, Number of 1st year students = 256
Answer:
A
A
Step-by-step explanation:
Sorry if wrong
The answer is:B because they can’t resolve easy
Answer:
3. is 4x-16
5. is 4x+15
Step-by-step explanation: Eliminate redundant parentheses(−10)+(3−6)(x-10)+(3x-6)(x−10)+(3x−6)−10+3−6