1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Blizzard [7]
3 years ago
11

Giselle works as a carpenter and as a blacksmith. She earns $20\$20 $20 dollar sign, 20 per hour as a carpenter and $25\$25 $25

dollar sign, 25 per hour as a blacksmith. Last week, Giselle worked both jobs for a total of 3030 30 30 hours, and earned a total of $690\$690 $690 dollar sign, 690 . How long did Giselle work as a carpenter last week, and how long did she work as a blacksmith? Giselle worked as a carpenter for hours and as a blacksmith for hours last week.
Mathematics
1 answer:
malfutka [58]3 years ago
7 0
C = # of carpenter hrs , b = # of blacksmith hrs

c + b = 30...c = 30 - b
20c + 25b = 690

20(30 - b) + 25b = 690
600 - 20b + 25b = 690
-20b + 25b = 690 - 600
5b = 90
b = 90/5
b = 18 <== hrs worked as blacksmith

c + b = 30
c + 18 = 30
c = 30 - 18
c = 12 <== hrs worked as carpenter
You might be interested in
Helppppppppppppppppppppppppppppp
mafiozo [28]

Answer:

1.) x=3  2.)n= -1/4 3.) h=7

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Need help ASAP please
Vanyuwa [196]
The answer is C. Because the side triangles inner corner is 51 so the inner corner of the big train fled are 129. 129 + 20 equals 149 and 180 - 149 equals 31.
3 0
3 years ago
One angle of a right triangle measures 8°. What is the measure of the other acute angle?
Ivahew [28]

Answer:

  82°

Step-by-step explanation:

The acute angles in a right triangle are complementary. The other one is ...

  90° -8° = 82°

5 0
2 years ago
A salesperson earns a commission of a certain percentage on the original price of any items he helps you buy. The salesperson he
attashe74 [19]

Answer:

5.18%

Step-by-step explanation:

5.76 x 100 = 576

576 ÷ 100 = 5.184

5.184 = 5.18%

4 0
2 years ago
Simplify. 32 + 1 x 2 (1).8 (2).20 (3).14 (4).11​
pshichka [43]

Answer:

31.11

Step-by-step explanation:

simplify the expression

4 0
3 years ago
Other questions:
  • 3x-100 what does x equal?
    7·2 answers
  • Maya has $210 in a savings account for a new computer the computer cost $537.15 including sales tax. At the end of each week she
    11·1 answer
  • WILL MARK BRAINLIEST + 10 POINTS!!!!<br> #2
    12·1 answer
  • Use cubic regression to find a function that fits the following points.
    7·1 answer
  • (5x10,000) +(2x100) +(9x1) +(3x1/1000)​
    15·1 answer
  • The table below shows the future value of a certificate of deposit (CD) after x years Eric states the applied interest is simple
    14·2 answers
  • 2. What is the value of 9x – 4y if x = 3 and y = 2?<br> F. 12.<br> G. 19<br> H. 93<br> 1. 27<br> H
    12·1 answer
  • Find the length of the third side. If necessary, round to the nearest tenth.<br> 2<br> 3
    14·1 answer
  • 1. Is (2,1) a solution to the system of equations below?*<br> 1 point<br> x = 2y<br> x+y=3
    8·1 answer
  • Please help me on this!
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!