Answer:
-6000
Step-by-step explanation:
20{5[100-3(25+35)+20]} open the parenthesis
20{5[100-180+20]} do the addition and subtraction in the square brackets
20{5[-60]} open the square brackets
20{-300} open curly brackets
-6000
Answer:
A
Step-by-step explanation:
We are told that the number at the unit place is 3 less than the number at the tens place.
So if the number at the units place is b, then the number at the tens place is 10(b+ 3)
So the number is thus;
10(b + 3) + b
= 10b + 30 + b = 11b + 30
Answer:
87 ft
Step-by-step explanation:
hope it's correct
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9514 1404 393
Answer:
- 160 yd³ must be hauled
- $520 is the cost
Step-by-step explanation:
There are 3 feet in a yard, so the volume of the hole is ...
(45 ft)/(3 ft/yd) × (16 ft)/(3 ft/yd) × (6 ft)/(3 ft/yd)
= (15 × 16/3 × 2) yd³ = 160 yd³ . . . volume to be hauled
__
The cost is $13/(4 yd³), so the total cost will be ...
($13/(4 yd³)) × 160 yd³ = $520 . . . cost of hauling
You would just divide that quantity by 2.
