1. n + 3*5 = 30
2. n + 15 = 30
3. n + 15 = 30
- 15 -15
n = 15
3
10 x 3 + 8 x 3 30 + 24 54 10 times 3 plus 8 times 3 equals 54.
With no parentheses, that equals 30.
N=3.
150 plus 3 times 30 is equal to 240.
i think 234
It equals 3
a = 3
3*30=90
10*3 = 30
When taking the volume you do not add them you multiply them. 6cm x 5cm x 3cm = 90cm2
27 times 3 minus 46 plus 23 equals 58.