Answer:
a*(1 -0.5)*(1 +0.5) = 0.75a . . . . the original number "a" is larger
(a/(0.75a) -1) * 100% = 33 1/3% . . . . the original number is larger by 33 1/3% of the revised number
Step-by-step explanation:
Let x = the number of green apples, let 4x = the number of red apples
4x + x = 50 Set up the quation
5x = 50 Combine like terms
---- ---- Divide by 5 on both sides to get x alone
5 5
x = 10 green apples
4x = 4(10) = 40 red apples
40 - 10 = 30. Suzanne bought 30 more red apples than green apples.
Answer:
45 degrees
Step-by-step explanation:
45 is half of 90, 90 is a right angle
Answer:
15401.175 metros
Step-by-step explanation:
El corredor Belga tenía 365 maratones que a razón de 42.195 metros son:
365 * 42.195 = 15401.175 metros