Can someone please check my math questions please?
42. Solve r/5 – 6 = -1.
a. r = 1
b. r = 5
c. r = 10
d. r = 25
My Answer~ d
43. The height of an ostrich is 20 inches more than 4 times the height of a kiwi. If an ostrich is 108 inches tall, how tall is a kiwi?
a. 22 inches
b. 27 inches
c. 44 inches
d. 66 inches
My Answer~b

Question

Can someone please check my math questions please? 
42.  Solve r/5 – 6 = -1.
a.  r = 1
b.  r = 5
c.  r = 10
d.  r = 25
My Answer~ d
43.  The height of an ostrich is 20 inches more than 4 times the height of a kiwi.  If an ostrich is 108 inches tall, how tall is a kiwi?
a.  22 inches
b.  27 inches
c.  44 inches
d.  66 inches
My Answer~b

anonymous · Answer

42. Correct
43. Incorrect
Try again and if you get stuck let me know :)

abbycross167 · Answer

ok, do you think 43 is a? I did the math over and got 'a' as the answer

abbycross167 · Answer

@CShrix

phi · Answer

y=20+4x  (y is ostrich, x is kiwi)
20+4x= 108
4x= 108-20
4x= 88
x= 88/4
x=22

abbycross167 · Answer

Alright! Thank you very much!!