Help anyone
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6 ft.

Step-by-step explanation:

V = 1/2 b h  l      where b = the base of the triangle, h is its height and l is the length of the prism.

So we have:

300 = 1/2 * 10 * h * 10

300 = 50h

h = 300/50 = 6.

total amount to be paid = $19.5

step-by-step explanation:

given ,

original price = $25.99

discount = 25%

discount amount = 25% of original price

discount amount = 25/100   * 25.99

discount amount = $6.49

hence , the total amount to be paid = original price - discount amount

                                                            = $25.99 - $6.49

                                                            =$19.5

total amount to be paid = $19.5