Answer:
1060
Step-by-step explanation:
Given:
No. of boys = 870
No. of girls = 800
Probability that a boy chosen studies Spanish = 
Probability that a girl chosen studies Spanish = 
the number of boys in the school who study Spanish :

the number of girls in the school who study Spanish :

Therefore, total number of students who study Spanish would be :
480+580=1060
Answer:
52 years old
Step-by-step explanation:
let this mans age be a
400-3a=244
400=244+3a
400-244=3a
156=3a
a=52
Answer:
85.33%
Step-by-step explanation:
64/75=0.8533333...
x100 = 85.33%
Answer:
63/4 or 15 3/4 miles each day
Step-by-step explanation: