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Chapter 3: Q. 192 (page 352)

Mario invested 475\(in 45\)and 25\(stock shares. The number of 25\)shares was five less than three times the number of 45$shares. How many of each type of share did he buy?

Short Answer

Expert verified

No. of45$share is5and number of sharesis10

Step by step solution

01

Step 1. Given information 

Mario invested $475in $45and $25stock shares. The number of 25$shares was five less than three times the number of 45$shares.

02

Step 2. let the no. of $45 share is x

No. of 25$share is=3x-5$25

03

Step 3. Making and solving the equation 

25(3x-5)+45x=47575x-125+45x=475120x-125=475120x=475+125120x=600x=5

No. of45$share is5and25$share is3(5)-5=10

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