Respuesta :
Answer:
31.5
Step-by-step explanation:
100%-45
70%-x
Cross multiply
100x=3150
÷100 ÷100
______________-
x=31.5
Hope this helps P.s I recommend using this method its very helpful for these kind of problems!
Answer:
31.5
Step-by-step explanation:
100%-45
70%-x
Cross multiply
100x=3150
÷100 ÷100
______________-
x=31.5
Hope this helps P.s I recommend using this method its very helpful for these kind of problems!