There are @ least 200 apples in a grocery store. the ratio
of oranges to apples is 9:10. how many oranges could there
be in the store?
select all that apply:
Let a = the number of apples
let x = the number of oranges (we can't use "o" because it looks like zero)
x:a = 9:10
=
9a = 10x
a =
Substitute each in that equation:
x = 171
a = = = 190 apples, no for there are at least 200 apples
----------------
x = 180
a = = = 200 apples, yes for 200 is at least 200.
----------------
x = 216
a = = = 240 apples, yes for 240 is at least 200.
----------------
x = 252
a = = = 280 apples, yes for 280 is at least 200.
----------------
x = 315
a = = = 350 apples, yes for 350 is at least 200.
----------------
All but the first one, 171.
Edwin