let x be the flour
now
or,(21/2)+x=42/3
or,(21+2x)/2=42/3
or, 3(21+2x)=42×2
or, 63+6x=84
or,6x=84-63
or, 6x =21
or, x=21/6
thus she need 21/6 cups of flour
Im assuming that 100p is 1 pound? So that ratio should be A) 1:10 and 20mm is 2cm so the ratio is B)1:2
Step-by-step explanation:
soln.9×9×9×9
=81×9×9
=729
=6561
Answer:
I don't see the picture I can't help p u