Answer ASAP please !!

1 answer:

6 0

Answer: rose = 7, shrub = 7

Step-by-step explanation:

First equation 10r + 4s = 98

r = (98-4s) / 10

Second equation 9r + 9s = 126

Substituting

9 (98-4s) / 10 + 9s = 126

9(49-2s) / 5 + 9s = 126

(441-18s) / 5 + 9s = 126

441 - 18s + 45s = 630

441+ 27s = 630

27s = 630 - 441

s = 189 / 27 = 7

Cost of shrub = 7

Cost of rose = (98 - 4s) / 10

= 98-28 = 70 / 10 = 7

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DochEvi [55]

Yes that’s correct

14 x 2 =28

28 - 5

=23

8 0

3 years ago

Eddi Din [679]

That is true........

3 0

3 years ago

timurjin [86]

If the unknown value is x, then x = $\frac{14}{4}$ × 6 = 21.

Explanation:

Since it is a double number line with a ratio, all the ratios of one number line to the other will remain equal for all the values along both the number lines. Assume the unknown value to be x.
The ratio of the number on the first number line to the corresponding number on the second number line is calculated to be; $\frac{7}{2}$ = $\frac{14}{4}$ = $\frac{x}{6}$ = $\frac{28}{8}$ = $\frac{35}{10}$ = 3.5. So $\frac{x}{6}$ = 3.5, x = 3.5 × 6 = 21.
We can also calculate x by the following method. As ratios are equal we can directly substitute the value to another ration. So $\frac{14}{4}$ = $\frac{x}{6}$ , x = $\frac{14}{4}$ × 6 = $\frac{84}{4}$ = 21.