Answer:
5a -4
Step-by-step explanation:
Given
(2a + 3) + (3a - 7) ← remove parenthesis
= 2a + 3 + 3a - 7 ← collect like terms
= (2a + 3a) + (3 - 7)
= 5a + (- 4)
= 5a - 4
Solution: Estimated time for the work is 40 hour work week.
Estimated payment to 3 laborers working 40 hours at cost $14 per hour is:
$1680
Estimated payment to 6 masons working 40 hours at cost $24 per hour is:
$5760
Estimated cost of material = $3143
Contractor wishes to make a profit of $500
Therefore, the mathematical expression that will give the estimated cost of the job is:

The estimated total cost is:
Cost =$11083
13,632 ÷ 48 equals to 284
Question:Round the decimal to the nearest hundredth;then write it as a percentage
<span>Problem: 0.4612=___(<rounded)=___(<percentage)
</span>0.4612 =~ 0,46 (rounded) = 0,46 = 46 (percentage)
Whats the question here if your wondering how many shells she finds in a certain amout of days just get a calculator and keep adding 12 over and over again