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maya4321
02.11.2019 •
Mathematics
Sally wants to add to her collection of seashells. she currently has 100 seashells.
starting today, she will collect 25 seashells each week.
what will be the total number of seashells in sally’s collection after 5 weeks?
show or explain how you got your answer.
write an expression to represent the total number of seashells in sally’s
collection after w weeks.
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Ответ:
The total number of seashells in Sally’s collection after 5 weeks is 225 and an expression to represent the total number of seashells in Sally’s collection after w weeks is![y = 100+25w](/tpl/images/0357/2458/5913e.png)
Step-by-step explanation:
Sally has seashells currently = 100
From today , she will collect 25 seashells each week.
Let w be the no. of weeks
So, she will collect seashells in w weeks = 25w
So, total seashells after w weeks = 100+25w
Let y denotes total seashells after w weeks
So,![y = 100+25w](/tpl/images/0357/2458/5913e.png)
Substitute w = 5
Hence the total number of seashells in Sally’s collection after 5 weeks is 225 and an expression to represent the total number of seashells in Sally’s collection after w weeks is![y = 100+25w](/tpl/images/0357/2458/5913e.png)
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