Answer:
this is so easy
Step-by-step explanation:
40/28=10/x
Butterfly method
40x=280
/40 /40
x=7
EG is 7
Answer:
8 boxes of pencils and 2 boxes of erasers
Step-by-step explanation:
2 times 4 equals 8, which is the part where she needs to buy 4 times as many pencils as erasers.
8 times 2 is 16 and 1 times 2 is 2 add both 16 and 2 together and you get 18 so she spends all $18
Answer:
<stv=153
Step-by-step explanation:
stu+stv=180 (being a straight angle)
3b +15b+18=180
18b=180-18
b=162/18
b=9
now
<stv=15b+18
=15 × 9 +18
=135+18
=153
<stv=153°