What is the missing number? 40+ x = 180 220 100 140 -140
1 answer:
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Answer:
21 glasses of water.
Step-by-step explanation:
You can do a proportion.
or
1 glass/1/6 of a bottle.
x glasses/3.5 bottles.
You can cross multiply.
1/6 times x is 1/6x
1 times 3.5 is 3.5/
1/6x=3.5.
do the reciprocal of 1/6 which is 6.
So, 6 times 3.5 is 21.
Therefore, you have 21 glasses of water.