After working 3 hours, Mary has made 31 cogs. At the same rate how many cigs can she make in 40 hours?
- 40(3)/31
- 3(31)/40
- 40(31)
- 40(31)/3
- (3)(31)

Question

FallOutLaci FallOutLaci

24-04-2018
Mathematics

contestada

After working 3 hours, Mary has made 31 cogs. At the same rate how many cigs can she make in 40 hours?
- 40(3)/31
- 3(31)/40
- 40(31)
- 40(31)/3
- (3)(31)

Respuesta :

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Аноним Аноним · Answer 1 · 2018-04-24T08:07:02+02:00

[tex]3 \text{ hours } \longrightarrow 31 \text{ cogs}[/tex]

Find 1 hour:
[tex]1 \text{ hours } \longrightarrow 31 \div 3 \text{ cogs}[/tex]

[tex]1 \text{ hours } \longrightarrow \dfrac{31}{3} \text{ cogs}[/tex]

Find 40 hours:
[tex]40 \text{ hours } \longrightarrow \dfrac{31}{3} \times 40 \text{ cogs}[/tex]

[tex]40 \text{ hours } \longrightarrow \dfrac{(40)31}{3} \text{ cogs}[/tex]

Answer: Option 4

After working 3 hours, Mary has made 31 cogs. At the same rate how many cigs can she make in 40 hours? - 40(3)/31 - 3(31)/40 - 40(31) - 40(31)/3 - (3)(31)

Respuesta :

Otras preguntas

After working 3 hours, Mary has made 31 cogs. At the same rate how many cigs can she make in 40 hours?
- 40(3)/31
- 3(31)/40
- 40(31)
- 40(31)/3
- (3)(31)