Answer:
262 pennies
Step-by-step explanation:
If Layla already has <em>388</em> pennies and she needs <em>600</em> pennies total, all she needs to do is is take the amount she already has away from 600:
10 - 12= -2
Or...
10 minus/subtract 2 eaquals negative 2.
Answer:
d. cost will never be the same
Step-by-step explanation:
power plus: 34.37x + 21
heavy hulk: 34.62x + 33.50 (1/2 fee: 34.62x + 16.75)
*set expressions equal to each other*
34.37x + 21 = 34.62x + 16.75 --> *subtract 34.37x from both sides*
21 = .25x + 16.75 --> *subtract 16.75 from both sides*
4.5 = .25x *divide by .25 on both sides*
18 = x
*find y by plugging in 18 for x*
34.37 (18) + 21 = 34.62 (18) + 16.75
618.66 + 21 = 623.16 + 16.75
639.66 = 639.91
<u><em>they don't equal</em></u>
Answer:
200 berlindes
Step-by-step explanation:
Vamos representar
O número total de berlindes na caixa = X
Mármores vermelhos = 20% de X
= 0.2X
Mármores amarelos = 40% de X
= 0.4X
Mármores azuis = 80
Conseqüentemente,
0.2X + 0.4X + 80 = X
Recolher termos semelhantes
80 = X - 0.2X - 0.4X
80 = X - 0.6X
80 = 0.4X
Divida ambos os lados por 0.4
X = 80 / 0.4
X = 200
Uma vez que X representa o número total de berlindes na caixa, portanto, o número total de berlindes na caixa = 200 berlindes
Answer:
i believe the answer is -2n=5
Step-by-step explanation:you subtract the 3n with the n and -2n cant go into 5
