All you need to do is multiply 3 yards by 10 yards to get 30 square yards.
Ok, for multiplication of fractions you do not need a common denominator so multiply top by top and bottom by bottom... let me know what you get
Answer:
KM=41.6
Step-by-step explanation:

Cross Multiply and Solve for KM.

A tenth of 24.99 would be the first 9 after the point. In order to round it to the nearest tenth, we must look at the number after it. If that number is 5 or above, we must make the tenth one higher. In this case, the number after the tenth is above 5, so we change the tenth to a 1! Now the number becomes 25.00
Sorry I don’t see the question how am supposed to answer it