Answer:
x = 25
Step-by-step explanation:
Noting that these figures are similar, we set up and solve an equation of ratios:
x 30
---- = ------
15 18
Cross multiplying, we get:
18x = 30(15), or 3x = 5(15) = 75. Then x must be 25.
Answer:
D = K-10
Step-by-step explanation:
Let the number of games won by Dave's favourite basketball team be D and Kimiko's be K.
D + 10 = K
therefore,
D = K-10
Topic: Algebraic equations
If you would like to venture further into mathematics, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!
Helen should of put 0 first, because if you're gonna divide, you need to put the product first, then one of the factoes.
So instead it should be 0÷(-7)=0
13 1/3 bags.
We start off with:
8 x 1 2/3
Convert the mixed number into an improper fraction:
8 x 5/3
Multiply:
40/3
Simplify:
13.333...
Convert decimal to fraction:
13 1/3
Answer:
100
Step-by-step explanation:
