Ratio is 7:6; but we’d don’t know exactly how many each had call the radio 7x:6x
(7x-20) is how many sweets, Sarah has now the ratio is now 1:2
(7x-20)/6x=1/2
Cross multiply
2(7x-20)=1*6x
14x-6x=40
8x=40
x=40/8=5
5*6=30 sweets is how many Henry had
Please mark me brainliest this took me 10 minutes to type on my phone let me know if U need help with anything else