All you've got to do is write an equation. EX 2n-1
Answer:
170
Step-by-step explanation:
Equations derived from given info.
Use some substitution now.
- P=2(E+40)
- J=E+40
- P+J+E=300
Substitute first and second equation into third.
- 2(E+40)+E+40+E=300
- 2E+80+E+40+E=300
- 4E+120=300
- 4E=180
- E=45
Emily has 45 stickers. But we want to know what Peter has.
Use P=2(E+40)
Peter has 170 stickers.
Answer:
1.) four and six hundredths
4+.06
2) 5.2 5+.2
3. six and eighty nine hundredths
Answer:
0.279 miles / 0.449 km
Step-by-step explanation:
convert the meters into miles/kilometers to get your answer
Answer:
6.32 in.
Step-by-step explanation:
2.92 + 3.4 = 6.32
