Answer:
A,C and D
Step-by-step explanation:
A: 3x2=6
3x4X=12X
<em>6+12X</em>
C: 5x1=5
5x2X=10X
5+10X+1+2X
<em>6+12X</em>
D: 7x1=7
7x2X=14X
7+14X-2X-1
6+14X-2X
<em>6+12X</em>
Answer:
4.3
Step-by-step explanation:
2.15 times 2 is 4.3
Answer:
25 students
Step-by-step explanation:
To solve this problem, use cross multiplication:

3x = 75
x = 25
There are a total of 25 students in the class.
Fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff