Answer:
9
Step-by-step explanation:
H=1/2 * B
N=H-5= 1/2 * B-5
B+H+N= B+(1/2 *B) + (1/2 *B-5)=31
2B-5=31
B=18
H=1/2 *B=9
Answer:
c
Step-by-step explanation:
positive numbers and numbers without and sign are positive, and you will go from positive large to negative large
First set up a proportion
240/160 = 320/200
Cross multiply and if the left equals the right it is similar.