I am pretty sure a is the correct answer
Answer:
12
Step-by-step explanation:
write it out:
3/7 x x/28
cross-multiply and solve:
3*28 and 7x
3 x 28 = 84
make an expression:
84 = 7x
solve the expression:
7x/7 = 1
84/7 = 12
x =12
Check means to look over, solve means to figure out,plan means to arrange or gather information and understand means to follow what you are supposed to do
Please wrote a answer completely
What is the main question
What we have to find
1/10 is half of 1/5
1/5 × 1/2 = 1/10
3 pieces × 2 = 6 pieces that are 1/10
