In a competition a school awarded medals i different categories, 36 medals in dance, 12 medals in dramatics and 18 medals in music. If these medals went a total of 45 persons and only 4 persons got medals in all thr three categories, hk many received medals in exactly two of these categories?​

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4.82 Estimated 4 people

Step-by-step explanation:

Total number of medals= 12+ 36+18= 66

66/45x65/44x64/43x63/42= 4.819955

$2416.6

step-by-step explanation:

per hour = $ 25

total work time = 35

commission = 15%

total she has to make = $ 4,500

let she sold x dollar products

so her commission will be 15 % of x

now

total = weekly basic pay + commission

4500= (25*35) + 15 % of x

4500=875 + * x

4500-875 =   * x

3625= * x

multiplying wwith 100 on both sides gives

36250 = 15 x

now

x =  

x= $2416.6

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step-by-step explanation: