Answer:
need more info
Step-by-step explanation:
1 year old 5 divided by 20 times 2 minus 7
Answer:
x=7
Step-by-step explanation:
the second one because the exddddsedfffdffdggf
Answer:
90 of the students are girls.
Step-by-step explanation:
Boys : Girls
B : G
4 : 3
120 : ?
(120 ÷ 4 = 30) so 4 × 30 = 120
(Do this to the other side) 3 × 30 = 90
B : G
120 : 90 [90 girls out of 210 total students]
Hope this helps. :)