1/2 + 2/5 = 5/10 + 4/10 = 9/10
Answer:2.21
Step-by-step explanation:I used a calculator
Answer:
Given that the equation of a circle is :

Lets quickly run through the prime numbers and see what it is not divisible by
39 is not divisible by 2
39 IS divisible by 3
So lets stop right here.
What is 39 divided by 3? 13 !
And 13 is a prime number too!
So that is all we can do.
So prime factorization of 39 is <u>3 x 13</u><u><em /></u>
She has a total of 170 cubes
170/10=17 trains