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kap26 [50]
3 years ago
11

Bob spent twice as much as james, who spent four times as much as Nava. If Bob and James together spent $180, how much did James

spend?
Mathematics
2 answers:
Strike441 [17]3 years ago
8 0
"<span>Bob spent twice as much as James, who spent four times as much as Nava"

Bob:     b</span>
James: j
Nava:   n

Bob spent twice as much as James:           b=2j
<span>James spent four times as much as Nava: j=4n</span>

<span>Bob and James together spent $180:        b+j=180
but we have:                                                b=2j
                 </span><span>                                                -------------------
</span>                                           <span>                          2j+j=180
</span>                                           <span>                           3j=180      >>      j=60$
</span>                                           <span>                                                      b=2j=120$</span>
Recall this: <span>j=4n >>>>    60=4n >>>>>n=15$</span>


SO far we calculated how much everyone spent

I hope that helps!

 
Ganezh [65]3 years ago
3 0
Let's say that Bob is x and James is y

x + y = 180
x = 2y

2y + y = 180
y = 60.
James spent 60 dollars. 
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