29 I think but iam not sure if it’s right
Answer:
could u provide a proper picture to this question?
Step-by-step explanation:
Answer:
the answer is 
Step-by-step explanation:
If you have any questions feel free to ask - Mark
Answer:
His 55 kg of cement is 5 kg short of the 60 kg he needs.
Step-by-step explanation:
Let r be a ratio useful in determining how much of each ingredient Henry needs:
4/8 of the mix is cement, 3/8 is sand and 1/8 is gravel.
4/8 of the total 120 kg must then be 60 kg made up of cement;
3/8 must then be 45 kg made up of sand; and
1/8 must then be 15 kg made up of gravel
His 55 kg of cement is 5 kg short of the 60 kg he needs.
216/ 120 times 90 divided by 18 times 5 and the answer is 45
