Answer:
2.2
Step-by-step explanation:
55% of 1800 = 0.55(1800) = 990...so there are 990 girls in the school
30% of 990 = 0.30(990) = 297...so there are 297 girls who take the bus
Answer:
2 paintings per hour
Step-by-step explanation:
4paintings/ 2 hours= 2 paintings per hour
Answer:
2.113 and -0.446
Step-by-step explanation:
you have to use the formula x=-(b)+ or - the sqaure root of (b) squared-4 (a)(c) all over 2 (a).
