Respuesta :
Answer:
x=8.4
Step-by-step explanation:
X would equal 8.4 because since 5 is multiplying it the opposite would be dividing so you would do 42÷5 and get 8.4
B is your answer. “8.4”
5 times 8=40
5 times 8.4=42
5 times 9=45
5 times 9.2=46
hope this helps, mark as brainliest? :)