Answer:
the first one I guess
Step-by-step explanation:
30/100.
To get to this, you need to change the denominator to 100. 10 x 10 = 100 so whatever you do to the denominator, you do to the numerator. 3 x 10 = 30 so your answer would be 30/100.
18 + 10(8)
98
The answer to this is 98
Answer:
3x5=15
Step-by-step explanation:
If you have three groups of 5 objects, you will have 15 objects in total.
______________________
║ object object ║
║ object ║
║object object ║
║_____________________║
______________________
║ object object ║
║ object ║
║object object ║
║_____________________║
______________________
║ object object ║
║ object ║
║object object ║
║_____________________║
HTH :)