Respuesta :
Answer:
1) 28 weeks or A
2) 14 or c
Step-by-step explanation:
1) 8/2= 4
4 multiplied by 7 = 28
answer is 28
2) 4x-7=49
add 7 to both sides
4x=49+7
4x=56
divide 56 by 4
56/4=12
answer is 12
Answer:
28 weeks
Step-by-step explanation:
It takes Mr. Holloway 8 weeks to make 2 guitars. Write this as a rate.
8 weeks
2 guitars
Divide the numerator and denominator by 2 to find the unit rate.
8 weeks÷2
2 guitars÷2
=
4 weeks
1 guitar
It takes Mr. Halloway 4 weeks to make 1 guitar. You want to find how long it will take him to make 7 guitars. Write a proportion.
4 weeks
1 guitar
=
? weeks
7 guitars
Compare the denominators.
4 weeks
1guitar
=
? weeks
7guitars
To get from 1 to 7, multiply by 7. Multiply the numerator and denominator by 7 to find how long it will take Mr. Halloway to make 7 guitars.
4 weeks7
1 guitar7
=
28weeks
7 guitars
It will take Mr. Halloway 28 weeks to make 7 guitars.