Answer:
Step-by-step explanation:
4.5x=90
x=20 history
28 chemistry
42 math
They add to 90.
History test=x
Chemistry test=1.4x
Math test=(1.5)(1.4)=2.1x
They add to 90
Answer:
suman is 15 and renu is 30 anita is 24
Step-by-step explanation:
15+30+24+69
400 dm is greater than 4m... hope this helps
Answer:
What ?
Step-by-step explanation:
