Answer: multiply by 6
Step-by-step explanation:
3×6=18
18×6=108
108×6=648
Answer: The shape is a rectangle. We know this because it has 4 corners and 4 sides. And it is a quadrilateral.
Step-by-step explanation:
X + 6.38 = 15.75<span> would be the answer
x=9.37
for the first option, you are not adding 15.75 and x together.
for the second option, it is correct, because in the problem, it is giving the operation, 15.75-6.38=x. when you turn it do inverse operation, you get </span><span>x + 6.38 = 15.75.
for the third option, it doesn't make sense and it's not doing what the problem is asking for.
for the fourth option, you are not multiplying. you are subtracting </span>15.75 by<span> 6.38 to get x.</span>
A: number of nonfiction books
b: number of fiction books
a+b=2000
a=3b
b=500
a=1500
