dontcareanyonemo
23.08.2019 •
Mathematics
The product of eight minus a number and seven equals forty when decreased by five. which equation represents the sentence?
a)
5(x - 8) - 7 = 40
b)
5(8 - x) - 7 = 40
c)
7(x - 8) - 5 = 40
d)
7(8 - x) - 5 = 40
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Ответ:
let X = unknown number
eigth minus a number is 8 - x. since the product is seven and eight minus a number then 7 * [8-x] or 7(8-5).
40 is its equivalent when the product is decreased by 5; therefore, 7(8-x) - 5 = 40.
Ответ:
Step-by-step explanation:
so do 66.60-45.60=21 dollars
add 3 more channels
21/3=7
so 7 dollars for each additional premium channel
so 7*2=14
66.40+14= 80.40 for 6 channels