Answer:
she crocheted 3 7/8 inches
Step-by-step explanation:
the total Danielle corchated is 28 1/2
x be In june : 9 1/4
y be in july :15 3/8
z be auguest : ??
x+y+z=28 1/2
9 1/4 + 15 3/8 +z= 28 1/2
9+15 (1/4+3/8) +z = 28 1/2
24(2/8+3/8) +z = 28 1/2
24(5/8)+z=28 1/2
z=28 1/2 -24 5/8
z=28.5-24 5/8
z = 3 7/8
