Herbie3070
23.05.2021 •
Mathematics
Twelve people ordered calculators. The least expensive was $5.95 and the most expensive was $12.95. Half ordered a $9.95 calculator. Select the best estimate of the amount spent on calculators.(1 point)
$125
$90
$160
$140
Solved
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Ответ:
Round up all costs
Least expensive: $6
Most expensive: $13
Half (half of 12 people is 6) ordered $10 calculators so 6x10=$60
Other half
(6+13)/2= $9.5 round up to $10 so 6x10=$60
$60 + 60=$120 best estimate $125
Step-by-step explanation:
Ответ:
y - 3y = - 1 - 1 ;
- 2y = - 2 ;
y = ( -2 ) / ( - 2) ;
y = 1 ;
And 1 ≠ -1 ; 1 / 3 ;
The solution is 1 ;