Answer:
£289.20
Step-by-step explanation:
13:2 = x:16 or 13/2 = x/16
cross multiply: 208 = 2x
simplify: x = 104
16 blue tiles x £2.80 each = £44.80
104 white tiles x £2.35 each = £244.40
44.80 + 244.40 = £289.20
Answer:
b because 23.59+ (-16.75) = 6.84
Step-by-step explanation:
Answer:-12×4+63=15
Step-by-step explanation:
Negative 12 time positive 4 equals to -48 plus 63 equals to 15
36, 43, 50, 57, 64
36 and 64 are two standard deviations out, so the empirical rule tells us 95% of scores will fall here with a normal distribution
