Simply simplify the ratios/fractions into their simplest fraction form and divide the numerator by the denominator. If they are equal, they are in fact proportions, if not, they aren't
Answer:
M= 1/2(x)+7
Step-by-step explanation:
Let M = Martha.
Let X = Number of Lucy's blocks.
Martha has half the amount as Lucy - 1/2(x)
Then 7 more than that - 1/2 (x) + 7
528= 8x+240
288=8x
x=36 hours
Answer:
$47.988-$47.99
Step-by-step explanation:
20/100=0.20
39.99x0.20=7.998
39.99+7.998=47.988