12 x 30 = 360 mariah has to use 360 tiles to build it because if she builds a table top with 12 rows of tiles and 30 in each rows you have to multiply 12 x 30
= 360 to get the answer
You are X, if your friend is 1.2 times taller than you= 1.2X
That's why 64.5=1.2X
X=53.75
But you should write 53.8 inches tall. Because there is one number after point.
<span>As a result, you are 53.8 inches tall
</span>
Step-by-step explanation:
<h2>a - b = a + (-b)</h2><h2>a + b = a - (-b)</h2>
for any real numbers