Simplify the expression 7x+12-4x-3
2 answers:
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We have the following:
1.
let x a tulips
let y daffodils
therefore:
solving:
for x:
Therefore, the answer is 5 tulips and 10 daffodils
2.
let x a 30% silver
let y a 55% silver
solving:
for x:
Therefore, the answer is 480 pounds of 30% silver and 320 pounds of 55% silver
Answer:
Step-by-step explanation:
Given that Darcie wants to donate minimum 3 blankets to donate to a homeless shelter. No of days left =60
No of days to complete one blanket = 1/(1/15) = 15 days
Hence in 60 days she has to complete ≥3 blankets
No of days she has to utilize for this will be ≥3(15)=45
No of days she can skip crocheting ≤15
Let x be the no of days crocheted and y no of days skipped
Then x+y≤60
See the graph attached as x axis for days crocheted and y for days skipped
No of blankets can be either 3 or 4.
