mydoggy152
05.02.2021 •
Mathematics
David and Lucy have sweets in the ratio 4:7. Lucy has
27 more sweets. How many does David have?
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Ответ:
David share is 36 sweets
Step-by-step explanation:
let Lucy share be x
let David share be y
Lucy has 27 more
x=y+27
total sweet is x+y
y+27 +y= 2y+27
total ratio = 4+7=11
David share=
y=108/3= 36
Ответ:
B.) Because Points F, B, and C are coplanar
Meaning of coplanar: In the same plane
And the points F, B, C are all in the same plane